9890025

素因数分解:

$3^1\times 5^2\times {\mathrm{163}}^1\times {\mathrm{809}}^1$

素因数の和:985

約数の個数: 24

約数和(自身を含む): 16472160

約数和(自身を除く): 6582135

約数列:

[1, 3, 5, 15, 25, 75, 163, 489, 809, 815, 2427, 2445, 4045, 4075, 12135, 12225, 20225, 60675, 131867, 395601, 659335, 1978005, 3296675, 9890025]

約数ペア:

[(1, 9890025), (3, 3296675), (5, 1978005), (15, 659335), (25, 395601), (75, 131867), (163, 60675), (489, 20225), (809, 12225), (815, 12135), (2427, 4075), (2445, 4045)]