9920625

素因数分解:

$3^1\times 5^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1$

素因数の和:84

約数の個数: 80

約数和(自身を含む): 19943616

約数和(自身を除く): 10022991

約数列:

[1, 3, 5, 11, 13, 15, 25, 33, 37, 39, 55, 65, 75, 111, 125, 143, 165, 185, 195, 275, 325, 375, 407, 429, 481, 555, 625, 715, 825, 925, 975, 1221, 1375, 1443, 1625, 1875, 2035, 2145, 2405, 2775, 3575, 4125, 4625, 4875, 5291, 6105, 6875, 7215, 8125, 10175, 10725, 12025, 13875, 15873, 17875, 20625, 23125, 24375, 26455, 30525, 36075, 50875, 53625, 60125, 69375, 79365, 89375, 132275, 152625, 180375, 254375, 268125, 300625, 396825, 661375, 763125, 901875, 1984125, 3306875, 9920625]

約数ペア:

[(1, 9920625), (3, 3306875), (5, 1984125), (11, 901875), (13, 763125), (15, 661375), (25, 396825), (33, 300625), (37, 268125), (39, 254375), (55, 180375), (65, 152625), (75, 132275), (111, 89375), (125, 79365), (143, 69375), (165, 60125), (185, 53625), (195, 50875), (275, 36075), (325, 30525), (375, 26455), (407, 24375), (429, 23125), (481, 20625), (555, 17875), (625, 15873), (715, 13875), (825, 12025), (925, 10725), (975, 10175), (1221, 8125), (1375, 7215), (1443, 6875), (1625, 6105), (1875, 5291), (2035, 4875), (2145, 4625), (2405, 4125), (2775, 3575)]