25204527

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{163}}^1$

素因数の和:281

約数の個数: 40

約数和(自身を含む): 40005504

約数和(自身を除く): 14800977

約数列:

[1, 3, 9, 23, 27, 69, 81, 83, 163, 207, 249, 489, 621, 747, 1467, 1863, 1909, 2241, 3749, 4401, 5727, 6723, 11247, 13203, 13529, 17181, 33741, 40587, 51543, 101223, 121761, 154629, 303669, 311167, 365283, 933501, 1095849, 2800503, 8401509, 25204527]

約数ペア:

[(1, 25204527), (3, 8401509), (9, 2800503), (23, 1095849), (27, 933501), (69, 365283), (81, 311167), (83, 303669), (163, 154629), (207, 121761), (249, 101223), (489, 51543), (621, 40587), (747, 33741), (1467, 17181), (1863, 13529), (1909, 13203), (2241, 11247), (3749, 6723), (4401, 5727)]