81712491

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{169177}}^1$

素因数の和:169210

約数の個数: 16

約数和(自身を含む): 129928704

約数和(自身を除く): 48216213

約数列:

[1, 3, 7, 21, 23, 69, 161, 483, 169177, 507531, 1184239, 3552717, 3891071, 11673213, 27237497, 81712491]

約数ペア:

[(1, 81712491), (3, 27237497), (7, 11673213), (21, 3891071), (23, 3552717), (69, 1184239), (161, 507531), (483, 169177)]