28737501

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{13903}}^1$

素因数の和:13972

約数の個数: 16

約数和(自身を含む): 42045696

約数和(自身を除く): 13308195

約数列:

[1, 3, 13, 39, 53, 159, 689, 2067, 13903, 41709, 180739, 542217, 736859, 2210577, 9579167, 28737501]

約数ペア:

[(1, 28737501), (3, 9579167), (13, 2210577), (39, 736859), (53, 542217), (159, 180739), (689, 41709), (2067, 13903)]