2100090645

素因数分解:

$3^4\times 5^1\times {\mathrm{73}}^1\times {\mathrm{251}}^1\times {\mathrm{283}}^1$

素因数の和:624

約数の個数: 80

約数和(自身を含む): 3844919232

約数和(自身を除く): 1744828587

約数列:

[1, 3, 5, 9, 15, 27, 45, 73, 81, 135, 219, 251, 283, 365, 405, 657, 753, 849, 1095, 1255, 1415, 1971, 2259, 2547, 3285, 3765, 4245, 5913, 6777, 7641, 9855, 11295, 12735, 18323, 20331, 20659, 22923, 29565, 33885, 38205, 54969, 61977, 71033, 91615, 101655, 103295, 114615, 164907, 185931, 213099, 274845, 309885, 355165, 494721, 557793, 639297, 824535, 929655, 1065495, 1484163, 1673379, 1917891, 2473605, 2788965, 3196485, 5185409, 5753673, 7420815, 8366895, 9589455, 15556227, 25927045, 28768365, 46668681, 77781135, 140006043, 233343405, 420018129, 700030215, 2100090645]

約数ペア:

[(1, 2100090645), (3, 700030215), (5, 420018129), (9, 233343405), (15, 140006043), (27, 77781135), (45, 46668681), (73, 28768365), (81, 25927045), (135, 15556227), (219, 9589455), (251, 8366895), (283, 7420815), (365, 5753673), (405, 5185409), (657, 3196485), (753, 2788965), (849, 2473605), (1095, 1917891), (1255, 1673379), (1415, 1484163), (1971, 1065495), (2259, 929655), (2547, 824535), (3285, 639297), (3765, 557793), (4245, 494721), (5913, 355165), (6777, 309885), (7641, 274845), (9855, 213099), (11295, 185931), (12735, 164907), (18323, 114615), (20331, 103295), (20659, 101655), (22923, 91615), (29565, 71033), (33885, 61977), (38205, 54969)]