620494485

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{151}}^1\times {\mathrm{1621}}^1$

素因数の和:1806

約数の個数: 48

約数和(自身を含む): 1082821248

約数和(自身を除く): 462326763

約数列:

[1, 3, 5, 13, 15, 39, 65, 151, 169, 195, 453, 507, 755, 845, 1621, 1963, 2265, 2535, 4863, 5889, 8105, 9815, 21073, 24315, 25519, 29445, 63219, 76557, 105365, 127595, 244771, 273949, 316095, 382785, 734313, 821847, 1223855, 1369745, 3182023, 3671565, 4109235, 9546069, 15910115, 41366299, 47730345, 124098897, 206831495, 620494485]

約数ペア:

[(1, 620494485), (3, 206831495), (5, 124098897), (13, 47730345), (15, 41366299), (39, 15910115), (65, 9546069), (151, 4109235), (169, 3671565), (195, 3182023), (453, 1369745), (507, 1223855), (755, 821847), (845, 734313), (1621, 382785), (1963, 316095), (2265, 273949), (2535, 244771), (4863, 127595), (5889, 105365), (8105, 76557), (9815, 63219), (21073, 29445), (24315, 25519)]