72561879

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{3389}}^1$

素因数の和:3472

約数の個数: 32

約数和(自身を含む): 117700800

約数和(自身を除く): 45138921

約数列:

[1, 3, 9, 13, 27, 39, 61, 117, 183, 351, 549, 793, 1647, 2379, 3389, 7137, 10167, 21411, 30501, 44057, 91503, 132171, 206729, 396513, 620187, 1189539, 1860561, 2687477, 5581683, 8062431, 24187293, 72561879]

約数ペア:

[(1, 72561879), (3, 24187293), (9, 8062431), (13, 5581683), (27, 2687477), (39, 1860561), (61, 1189539), (117, 620187), (183, 396513), (351, 206729), (549, 132171), (793, 91503), (1647, 44057), (2379, 30501), (3389, 21411), (7137, 10167)]