8131121439

素因数分解:

$3^1\times 7^1\times {\mathrm{521}}^1\times {\mathrm{743179}}^1$

素因数の和:743710

約数の個数: 16

約数和(自身を含む): 12414078720

約数和(自身を除く): 4282957281

約数列:

[1, 3, 7, 21, 521, 1563, 3647, 10941, 743179, 2229537, 5202253, 15606759, 387196259, 1161588777, 2710373813, 8131121439]

約数ペア:

[(1, 8131121439), (3, 2710373813), (7, 1161588777), (21, 387196259), (521, 15606759), (1563, 5202253), (3647, 2229537), (10941, 743179)]