12920661

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{281}}^1$

素因数の和:434

約数の個数: 32

約数和(自身を含む): 20845440

約数和(自身を除く): 7924779

約数列:

[1, 3, 9, 13, 27, 39, 117, 131, 281, 351, 393, 843, 1179, 1703, 2529, 3537, 3653, 5109, 7587, 10959, 15327, 32877, 36811, 45981, 98631, 110433, 331299, 478543, 993897, 1435629, 4306887, 12920661]

約数ペア:

[(1, 12920661), (3, 4306887), (9, 1435629), (13, 993897), (27, 478543), (39, 331299), (117, 110433), (131, 98631), (281, 45981), (351, 36811), (393, 32877), (843, 15327), (1179, 10959), (1703, 7587), (2529, 5109), (3537, 3653)]