215529255

素因数分解:

$3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{757}}^1$

素因数の和:830

約数の個数: 80

約数和(自身を含む): 418234080

約数和(自身を除く): 202704825

約数列:

[1, 3, 5, 9, 15, 19, 27, 37, 45, 57, 81, 95, 111, 135, 171, 185, 285, 333, 405, 513, 555, 703, 757, 855, 999, 1539, 1665, 2109, 2271, 2565, 2997, 3515, 3785, 4995, 6327, 6813, 7695, 10545, 11355, 14383, 14985, 18981, 20439, 28009, 31635, 34065, 43149, 56943, 61317, 71915, 84027, 94905, 102195, 129447, 140045, 215745, 252081, 284715, 306585, 388341, 420135, 532171, 647235, 756243, 1165023, 1260405, 1596513, 1941705, 2268729, 2660855, 3781215, 4789539, 5825115, 7982565, 11343645, 14368617, 23947695, 43105851, 71843085, 215529255]

約数ペア:

[(1, 215529255), (3, 71843085), (5, 43105851), (9, 23947695), (15, 14368617), (19, 11343645), (27, 7982565), (37, 5825115), (45, 4789539), (57, 3781215), (81, 2660855), (95, 2268729), (111, 1941705), (135, 1596513), (171, 1260405), (185, 1165023), (285, 756243), (333, 647235), (405, 532171), (513, 420135), (555, 388341), (703, 306585), (757, 284715), (855, 252081), (999, 215745), (1539, 140045), (1665, 129447), (2109, 102195), (2271, 94905), (2565, 84027), (2997, 71915), (3515, 61317), (3785, 56943), (4995, 43149), (6327, 34065), (6813, 31635), (7695, 28009), (10545, 20439), (11355, 18981), (14383, 14985)]