12920159

素因数分解:

$7^1\times {\mathrm{47}}^1\times {\mathrm{173}}^1\times {\mathrm{227}}^1$

素因数の和:454

約数の個数: 16

約数和(自身を含む): 15234048

約数和(自身を除く): 2313889

約数列:

[1, 7, 47, 173, 227, 329, 1211, 1589, 8131, 10669, 39271, 56917, 74683, 274897, 1845737, 12920159]

約数ペア:

[(1, 12920159), (7, 1845737), (47, 274897), (173, 74683), (227, 56917), (329, 39271), (1211, 10669), (1589, 8131)]