156965265

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{81119}}^1$

素因数の和:81173

約数の個数: 24

約数和(自身を含む): 278403840

約数和(自身を除く): 121438575

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 215, 387, 645, 1935, 81119, 243357, 405595, 730071, 1216785, 3488117, 3650355, 10464351, 17440585, 31393053, 52321755, 156965265]

約数ペア:

[(1, 156965265), (3, 52321755), (5, 31393053), (9, 17440585), (15, 10464351), (43, 3650355), (45, 3488117), (129, 1216785), (215, 730071), (387, 405595), (645, 243357), (1935, 81119)]