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On square values of the product of the Euler totient and sum of divisors functions - MaRDI portal

On square values of the product of the Euler totient and sum of divisors functions

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Publication:4910525

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DOI10.4064/CM130-1-11zbMath1286.11005OpenAlexW2082376010MaRDI QIDQ4910525

Kevin Ford, Florian Luca, Kevin A. Broughan

Publication date: 18 March 2013

Published in: Colloquium Mathematicum (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.4064/cm130-1-11

zbMATH Keywords

Euler function arithmetical function sum of divisors function square numbers

Mathematics Subject Classification ID

Arithmetic functions; related numbers; inversion formulas (11A25) Primes (11A41)

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