13681731

素因数分解:

$3^1\times 7^2\times {\mathrm{163}}^1\times {\mathrm{571}}^1$

素因数の和:751

約数の個数: 24

約数和(自身を含む): 21388224

約数和(自身を除く): 7706493

約数列:

[1, 3, 7, 21, 49, 147, 163, 489, 571, 1141, 1713, 3423, 3997, 7987, 11991, 23961, 27979, 83937, 93073, 279219, 651511, 1954533, 4560577, 13681731]

約数ペア:

[(1, 13681731), (3, 4560577), (7, 1954533), (21, 651511), (49, 279219), (147, 93073), (163, 83937), (489, 27979), (571, 23961), (1141, 11991), (1713, 7987), (3423, 3997)]