639330495

素因数分解:

$3^1\times 5^1\times {\mathrm{3217}}^1\times {\mathrm{13249}}^1$

素因数の和:16474

約数の個数: 16

約数和(自身を含む): 1023324000

約数和(自身を除く): 383993505

約数列:

[1, 3, 5, 15, 3217, 9651, 13249, 16085, 39747, 48255, 66245, 198735, 42622033, 127866099, 213110165, 639330495]

約数ペア:

[(1, 639330495), (3, 213110165), (5, 127866099), (15, 42622033), (3217, 198735), (9651, 66245), (13249, 48255), (16085, 39747)]