3977525007

素因数分解:

$3^4\times {\mathrm{257}}^1\times {\mathrm{191071}}^1$

素因数の和:191340

約数の個数: 20

約数和(自身を含む): 5964885696

約数和(自身を除く): 1987360689

約数列:

[1, 3, 9, 27, 81, 257, 771, 2313, 6939, 20817, 191071, 573213, 1719639, 5158917, 15476751, 49105247, 147315741, 441947223, 1325841669, 3977525007]

約数ペア:

[(1, 3977525007), (3, 1325841669), (9, 441947223), (27, 147315741), (81, 49105247), (257, 15476751), (771, 5158917), (2313, 1719639), (6939, 573213), (20817, 191071)]