On some problems of Mąkowski–Schinzel and Erdős concerning the arithmetical functions φ and σ
Work
Year: 2002
Type: article
Abstract: Let $\sigma (n)$ denote the sum of positive divisors of the integer $n$, and let $\phi $ denote Euler's function, that is, $\phi (n)$ is the number of integers in the interval $[1,n]$ that are relativ... more
Source: Colloquium Mathematicum
Authors Florian Luca, Carl Pomerance
Cites: 6
Cited by: 19
Related to: 10
FWCI: 3.442
Citation percentile (by year/subfield): 83.37
Subfield: Algebra and Number Theory
Field: Mathematics
Domain: Physical Sciences
Open Access status: bronze