68864913

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{9649}}^1$

素因数の和:9729

約数の個数: 24

約数和(自身を含む): 108890600

約数和(自身を除く): 40025687

約数列:

[1, 3, 9, 13, 39, 61, 117, 183, 549, 793, 2379, 7137, 9649, 28947, 86841, 125437, 376311, 588589, 1128933, 1765767, 5297301, 7651657, 22954971, 68864913]

約数ペア:

[(1, 68864913), (3, 22954971), (9, 7651657), (13, 5297301), (39, 1765767), (61, 1128933), (117, 588589), (183, 376311), (549, 125437), (793, 86841), (2379, 28947), (7137, 9649)]