646682013

素因数分解:

$3^2\times {\mathrm{557}}^1\times {\mathrm{129001}}^1$

素因数の和:129564

約数の個数: 12

約数和(自身を含む): 935780508

約数和(自身を除く): 289098495

約数列:

[1, 3, 9, 557, 1671, 5013, 129001, 387003, 1161009, 71853557, 215560671, 646682013]

約数ペア:

[(1, 646682013), (3, 215560671), (9, 71853557), (557, 1161009), (1671, 387003), (5013, 129001)]