12720633

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{313}}^1$

素因数の和:389

約数の個数: 32

約数和(自身を含む): 19292160

約数和(自身を除く): 6571527

約数列:

[1, 3, 19, 23, 31, 57, 69, 93, 313, 437, 589, 713, 939, 1311, 1767, 2139, 5947, 7199, 9703, 13547, 17841, 21597, 29109, 40641, 136781, 184357, 223169, 410343, 553071, 669507, 4240211, 12720633]

約数ペア:

[(1, 12720633), (3, 4240211), (19, 669507), (23, 553071), (31, 410343), (57, 223169), (69, 184357), (93, 136781), (313, 40641), (437, 29109), (589, 21597), (713, 17841), (939, 13547), (1311, 9703), (1767, 7199), (2139, 5947)]