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Positive integer solutions on equation \(\varphi(ab)=k(\varphi(a)+\varphi(b))\) - MaRDI portal

Positive integer solutions on equation \(\varphi(ab)=k(\varphi(a)+\varphi(b))\) (Q2824125)

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scientific article; zbMATH DE number 6634765
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Positive integer solutions on equation \(\varphi(ab)=k(\varphi(a)+\varphi(b))\)
scientific article; zbMATH DE number 6634765

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