Pages that link to "Item:Q5387550"
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The following pages link to Positive integers \(n\) such that \(\sigma(\varphi(n))=\sigma(n)\) (Q5387550):
Displaying 4 items.
- A remark on a paper of F. Luca and A. Sankaranarayanan (Q616541) (← links)
- On positive integers \(n\) such that \(\varphi(1)+\varphi(2)+\cdots+ \varphi(n)\) is a square (Q1959044) (← links)
- Natural numbers \(n\) for which \(\lfloor n\alpha +s\rfloor \not =\lfloor n\beta +s\rfloor \) (Q2896949) (← links)
- (Q3342553) (← links)