ON SQUARE VALUES OF THE PRODUCT OF THE EULER TOTIENT AND SUM OF DIVISORS FUNCTIONS

被引：0

作者：

Broughan, Kevin ^{[1
]}

Ford, Kevin ^{[2
]}

Luca, Florian ^{[3
]}

机构：

[1] Univ Waikato, Dept Math, Hamilton, New Zealand

[2] Univ Illinois Urbana Champaign Urbana, Dept Math, Champaign, IL 61801 USA

[3] Univ Nacl Autonoma Mexico, Inst Ciencias Nucl, Fdn Marcos Moshinsky, Mexico City 04510, DF, Mexico

来源：

COLLOQUIUM MATHEMATICUM | 2013年 / 130卷 / 01期

基金：

美国国家科学基金会;

关键词：

sum of divisors; Euler function;

D O I：

10.4064/cm130-1-11

中图分类号：

O1 [数学];

学科分类号：

0701 ; 070101 ;

摘要：

If n is a positive integer such that phi(n)sigma(n) = m(2) for some positive integer m, then m <= n. We put m = n - a and we study the positive integers a arising in this way.

引用

页码：127 / 137

页数：11

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