A new upper bound for odd perfect numbers of a special form
Volume 156 / 2019
Colloquium Mathematicum 156 (2019), 15-23
MSC: Primary 11A05, 11A25; Secondary 11D61, 11J86.
DOI: 10.4064/cm7339-3-2018
Published online: 11 December 2018
Abstract
We give a new effectively computable upper bound of odd perfect numbers whose Euler factors are powers of fixed exponent, improving our 2005 result.