1291797

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{181}}^1$

素因数の和:261

約数の個数: 24

約数和(自身を含む): 2053688

約数和(自身を除く): 761891

約数列:

[1, 3, 9, 13, 39, 61, 117, 181, 183, 543, 549, 793, 1629, 2353, 2379, 7059, 7137, 11041, 21177, 33123, 99369, 143533, 430599, 1291797]

約数ペア:

[(1, 1291797), (3, 430599), (9, 143533), (13, 99369), (39, 33123), (61, 21177), (117, 11041), (181, 7137), (183, 7059), (543, 2379), (549, 2353), (793, 1629)]