81377226

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{645851}}^1$

素因数の和:645866

約数の個数: 24

約数和(自身を含む): 201505824

約数和(自身を除く): 120128598

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 645851, 1291702, 1937553, 3875106, 4520957, 5812659, 9041914, 11625318, 13562871, 27125742, 40688613, 81377226]

約数ペア:

[(1, 81377226), (2, 40688613), (3, 27125742), (6, 13562871), (7, 11625318), (9, 9041914), (14, 5812659), (18, 4520957), (21, 3875106), (42, 1937553), (63, 1291702), (126, 645851)]