680333013

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{494069}}^1$

素因数の和:494098

約数の個数: 20

約数和(自身を含む): 1076084460

約数和(自身を除く): 395751447

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 494069, 1482207, 4446621, 8399173, 13339863, 25197519, 40019589, 75592557, 226777671, 680333013]

約数ペア:

[(1, 680333013), (3, 226777671), (9, 75592557), (17, 40019589), (27, 25197519), (51, 13339863), (81, 8399173), (153, 4446621), (459, 1482207), (1377, 494069)]