664989975

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{3727}}^1$

素因数の和:3817

約数の個数: 72

約数和(自身を含む): 1304069312

約数和(自身を除く): 639079337

約数列:

[1, 3, 5, 9, 13, 15, 25, 39, 45, 61, 65, 75, 117, 183, 195, 225, 305, 325, 549, 585, 793, 915, 975, 1525, 2379, 2745, 2925, 3727, 3965, 4575, 7137, 11181, 11895, 13725, 18635, 19825, 33543, 35685, 48451, 55905, 59475, 93175, 145353, 167715, 178425, 227347, 242255, 279525, 436059, 682041, 726765, 838575, 1136735, 1211275, 2046123, 2180295, 2955511, 3410205, 3633825, 5683675, 8866533, 10230615, 10901475, 14777555, 17051025, 26599599, 44332665, 51153075, 73887775, 132997995, 221663325, 664989975]

約数ペア:

[(1, 664989975), (3, 221663325), (5, 132997995), (9, 73887775), (13, 51153075), (15, 44332665), (25, 26599599), (39, 17051025), (45, 14777555), (61, 10901475), (65, 10230615), (75, 8866533), (117, 5683675), (183, 3633825), (195, 3410205), (225, 2955511), (305, 2180295), (325, 2046123), (549, 1211275), (585, 1136735), (793, 838575), (915, 726765), (975, 682041), (1525, 436059), (2379, 279525), (2745, 242255), (2925, 227347), (3727, 178425), (3965, 167715), (4575, 145353), (7137, 93175), (11181, 59475), (11895, 55905), (13725, 48451), (18635, 35685), (19825, 33543)]