1285285521

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{271}}^1\times {\mathrm{121609}}^1$

素因数の和:121896

約数の個数: 16

約数和(自身を含む): 1852363520

約数和(自身を除く): 567077999

約数列:

[1, 3, 13, 39, 271, 813, 3523, 10569, 121609, 364827, 1580917, 4742751, 32956039, 98868117, 428428507, 1285285521]

約数ペア:

[(1, 1285285521), (3, 428428507), (13, 98868117), (39, 32956039), (271, 4742751), (813, 1580917), (3523, 364827), (10569, 121609)]