12251775

素因数分解:

$3^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1$

素因数の和:216

約数の個数: 48

約数和(自身を含む): 21605760

約数和(自身を除く): 9353985

約数列:

[1, 3, 5, 15, 25, 29, 43, 75, 87, 129, 131, 145, 215, 393, 435, 645, 655, 725, 1075, 1247, 1965, 2175, 3225, 3275, 3741, 3799, 5633, 6235, 9825, 11397, 16899, 18705, 18995, 28165, 31175, 56985, 84495, 93525, 94975, 140825, 163357, 284925, 422475, 490071, 816785, 2450355, 4083925, 12251775]

約数ペア:

[(1, 12251775), (3, 4083925), (5, 2450355), (15, 816785), (25, 490071), (29, 422475), (43, 284925), (75, 163357), (87, 140825), (129, 94975), (131, 93525), (145, 84495), (215, 56985), (393, 31175), (435, 28165), (645, 18995), (655, 18705), (725, 16899), (1075, 11397), (1247, 9825), (1965, 6235), (2175, 5633), (3225, 3799), (3275, 3741)]