25269075

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{163}}^1$

素因数の和:245

約数の個数: 72

約数和(自身を含む): 49965552

約数和(自身を除く): 24696477

約数列:

[1, 3, 5, 9, 13, 15, 25, 39, 45, 53, 65, 75, 117, 159, 163, 195, 225, 265, 325, 477, 489, 585, 689, 795, 815, 975, 1325, 1467, 2067, 2119, 2385, 2445, 2925, 3445, 3975, 4075, 6201, 6357, 7335, 8639, 10335, 10595, 11925, 12225, 17225, 19071, 25917, 31005, 31785, 36675, 43195, 51675, 52975, 77751, 95355, 112307, 129585, 155025, 158925, 215975, 336921, 388755, 476775, 561535, 647925, 1010763, 1684605, 1943775, 2807675, 5053815, 8423025, 25269075]

約数ペア:

[(1, 25269075), (3, 8423025), (5, 5053815), (9, 2807675), (13, 1943775), (15, 1684605), (25, 1010763), (39, 647925), (45, 561535), (53, 476775), (65, 388755), (75, 336921), (117, 215975), (159, 158925), (163, 155025), (195, 129585), (225, 112307), (265, 95355), (325, 77751), (477, 52975), (489, 51675), (585, 43195), (689, 36675), (795, 31785), (815, 31005), (975, 25917), (1325, 19071), (1467, 17225), (2067, 12225), (2119, 11925), (2385, 10595), (2445, 10335), (2925, 8639), (3445, 7335), (3975, 6357), (4075, 6201)]