25471521

素因数分解:

$3^2\times {\mathrm{97}}^1\times {\mathrm{163}}^1\times {\mathrm{179}}^1$

素因数の和:445

約数の個数: 24

約数和(自身を含む): 37608480

約数和(自身を除く): 12136959

約数列:

[1, 3, 9, 97, 163, 179, 291, 489, 537, 873, 1467, 1611, 15811, 17363, 29177, 47433, 52089, 87531, 142299, 156267, 262593, 2830169, 8490507, 25471521]

約数ペア:

[(1, 25471521), (3, 8490507), (9, 2830169), (97, 262593), (163, 156267), (179, 142299), (291, 87531), (489, 52089), (537, 47433), (873, 29177), (1467, 17363), (1611, 15811)]