25151775

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{709}}^1$

素因数の和:776

約数の個数: 48

約数和(自身を含む): 46485120

約数和(自身を除く): 21333345

約数列:

[1, 3, 5, 11, 15, 25, 33, 43, 55, 75, 129, 165, 215, 275, 473, 645, 709, 825, 1075, 1419, 2127, 2365, 3225, 3545, 7095, 7799, 10635, 11825, 17725, 23397, 30487, 35475, 38995, 53175, 91461, 116985, 152435, 194975, 335357, 457305, 584925, 762175, 1006071, 1676785, 2286525, 5030355, 8383925, 25151775]

約数ペア:

[(1, 25151775), (3, 8383925), (5, 5030355), (11, 2286525), (15, 1676785), (25, 1006071), (33, 762175), (43, 584925), (55, 457305), (75, 335357), (129, 194975), (165, 152435), (215, 116985), (275, 91461), (473, 53175), (645, 38995), (709, 35475), (825, 30487), (1075, 23397), (1419, 17725), (2127, 11825), (2365, 10635), (3225, 7799), (3545, 7095)]