661174137

素因数分解:

$3^3\times {\mathrm{13}}^2\times {\mathrm{144899}}^1$

素因数の和:144934

約数の個数: 24

約数和(自身を含む): 1060668000

約数和(自身を除く): 399493863

約数列:

[1, 3, 9, 13, 27, 39, 117, 169, 351, 507, 1521, 4563, 144899, 434697, 1304091, 1883687, 3912273, 5651061, 16953183, 24487931, 50859549, 73463793, 220391379, 661174137]

約数ペア:

[(1, 661174137), (3, 220391379), (9, 73463793), (13, 50859549), (27, 24487931), (39, 16953183), (117, 5651061), (169, 3912273), (351, 1883687), (507, 1304091), (1521, 434697), (4563, 144899)]