1281399717

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{236377}}^1$

素因数の和:236532

約数の個数: 16

約数和(自身を含む): 1853203520

約数和(自身を除く): 571803803

約数列:

[1, 3, 13, 39, 139, 417, 1807, 5421, 236377, 709131, 3072901, 9218703, 32856403, 98569209, 427133239, 1281399717]

約数ペア:

[(1, 1281399717), (3, 427133239), (13, 98569209), (39, 32856403), (139, 9218703), (417, 3072901), (1807, 709131), (5421, 236377)]