71345205

素因数分解:

$3^4\times 5^1\times {\mathrm{176161}}^1$

素因数の和:176178

約数の個数: 20

約数和(自身を含む): 127893612

約数和(自身を除く): 56548407

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 176161, 528483, 880805, 1585449, 2642415, 4756347, 7927245, 14269041, 23781735, 71345205]

約数ペア:

[(1, 71345205), (3, 23781735), (5, 14269041), (9, 7927245), (15, 4756347), (27, 2642415), (45, 1585449), (81, 880805), (135, 528483), (405, 176161)]