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DLMF:27.2.E10 - MaRDI portal

DLMF:27.2.E10 (Q8690)

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DLMF:27.2.E10
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    Statements

    DLMF defining formula
    σ α ⁡ ( n ) = ∑ d | n d α , divisor-sigma 𝛼 𝑛 subscript divides 𝑑 𝑛 superscript 𝑑 𝛼 {\displaystyle{\displaystyle\sigma_{\alpha}\left(n\right)=\sum_{d\mathbin{|}n}% d^{\alpha},}}
    0 references
    Symbols used
    positive integer
    DLMF defining formula
    d 𝑑 {\displaystyle{\displaystyle d}}
    xml-id
    C27.S1.XMD1.m1adec
    0 references
    positive integer
    DLMF defining formula
    n 𝑛 {\displaystyle{\displaystyle n}}
    xml-id
    C27.S1.XMD4.m1gdec
    0 references
    parameter
    DLMF defining formula
    α 𝛼 {\displaystyle{\displaystyle\alpha}}
    xml-id
    C27.S2.XMD3.m1dec
    0 references

    Identifiers

     
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