660696507

素因数分解:

$3^4\times {\mathrm{251}}^1\times {\mathrm{32497}}^1$

素因数の和:32760

約数の個数: 20

約数和(自身を含む): 990929016

約数和(自身を除く): 330232509

約数列:

[1, 3, 9, 27, 81, 251, 753, 2259, 6777, 20331, 32497, 97491, 292473, 877419, 2632257, 8156747, 24470241, 73410723, 220232169, 660696507]

約数ペア:

[(1, 660696507), (3, 220232169), (9, 73410723), (27, 24470241), (81, 8156747), (251, 2632257), (753, 877419), (2259, 292473), (6777, 97491), (20331, 32497)]