155590209

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{557671}}^1$

素因数の和:557708

約数の個数: 12

約数和(自身を含む): 231991552

約数和(自身を除く): 76401343

約数列:

[1, 3, 9, 31, 93, 279, 557671, 1673013, 5019039, 17287801, 51863403, 155590209]

約数ペア:

[(1, 155590209), (3, 51863403), (9, 17287801), (31, 5019039), (93, 1673013), (279, 557671)]