81336405

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{174917}}^1$

素因数の和:174956

約数の個数: 16

約数和(自身を含む): 134337024

約数和(自身を除く): 53000619

約数列:

[1, 3, 5, 15, 31, 93, 155, 465, 174917, 524751, 874585, 2623755, 5422427, 16267281, 27112135, 81336405]

約数ペア:

[(1, 81336405), (3, 27112135), (5, 16267281), (15, 5422427), (31, 2623755), (93, 874585), (155, 524751), (465, 174917)]