131891238

素因数分解:

$2^1\times 3^2\times {\mathrm{269}}^1\times {\mathrm{27239}}^1$

素因数の和:27516

約数の個数: 24

約数和(自身を含む): 286837200

約数和(自身を除く): 154945962

約数列:

[1, 2, 3, 6, 9, 18, 269, 538, 807, 1614, 2421, 4842, 27239, 54478, 81717, 163434, 245151, 490302, 7327291, 14654582, 21981873, 43963746, 65945619, 131891238]

約数ペア:

[(1, 131891238), (2, 65945619), (3, 43963746), (6, 21981873), (9, 14654582), (18, 7327291), (269, 490302), (538, 245151), (807, 163434), (1614, 81717), (2421, 54478), (4842, 27239)]