619997217

素因数分解:

$3^1\times 7^1\times {\mathrm{4153}}^1\times {\mathrm{7109}}^1$

素因数の和:11272

約数の個数: 16

約数和(自身を含む): 945118080

約数和(自身を除く): 325120863

約数列:

[1, 3, 7, 21, 4153, 7109, 12459, 21327, 29071, 49763, 87213, 149289, 29523677, 88571031, 206665739, 619997217]

約数ペア:

[(1, 619997217), (3, 206665739), (7, 88571031), (21, 29523677), (4153, 149289), (7109, 87213), (12459, 49763), (21327, 29071)]