9970521

素因数分解:

$3^1\times {\mathrm{11}}^4\times {\mathrm{227}}^1$

素因数の和:274

約数の個数: 20

約数和(自身を含む): 14687760

約数和(自身を除く): 4717239

約数列:

[1, 3, 11, 33, 121, 227, 363, 681, 1331, 2497, 3993, 7491, 14641, 27467, 43923, 82401, 302137, 906411, 3323507, 9970521]

約数ペア:

[(1, 9970521), (3, 3323507), (11, 906411), (33, 302137), (121, 82401), (227, 43923), (363, 27467), (681, 14641), (1331, 7491), (2497, 3993)]