153906215281

素因数分解:

$7^4\times {\mathrm{13}}^1\times {\mathrm{4930837}}^1$

素因数の和:4930878

約数の個数: 20

約数和(自身を含む): 193357881332

約数和(自身を除く): 39451666051

約数列:

[1, 7, 13, 49, 91, 343, 637, 2401, 4459, 31213, 4930837, 34515859, 64100881, 241611013, 448706167, 1691277091, 3140943169, 11838939637, 21986602183, 153906215281]

約数ペア:

[(1, 153906215281), (7, 21986602183), (13, 11838939637), (49, 3140943169), (91, 1691277091), (343, 448706167), (637, 241611013), (2401, 64100881), (4459, 34515859), (31213, 4930837)]