645501525

素因数分解:

$3^1\times 5^2\times {\mathrm{47}}^1\times {\mathrm{149}}^1\times {\mathrm{1229}}^1$

素因数の和:1438

約数の個数: 48

約数和(自身を含む): 1098144000

約数和(自身を除く): 452642475

約数列:

[1, 3, 5, 15, 25, 47, 75, 141, 149, 235, 447, 705, 745, 1175, 1229, 2235, 3525, 3687, 3725, 6145, 7003, 11175, 18435, 21009, 30725, 35015, 57763, 92175, 105045, 173289, 175075, 183121, 288815, 525225, 549363, 866445, 915605, 1444075, 2746815, 4332225, 4578025, 8606687, 13734075, 25820061, 43033435, 129100305, 215167175, 645501525]

約数ペア:

[(1, 645501525), (3, 215167175), (5, 129100305), (15, 43033435), (25, 25820061), (47, 13734075), (75, 8606687), (141, 4578025), (149, 4332225), (235, 2746815), (447, 1444075), (705, 915605), (745, 866445), (1175, 549363), (1229, 525225), (2235, 288815), (3525, 183121), (3687, 175075), (3725, 173289), (6145, 105045), (7003, 92175), (11175, 57763), (18435, 35015), (21009, 30725)]