128031489

素因数分解:

$3^3\times {\mathrm{257}}^1\times {\mathrm{18451}}^1$

素因数の和:18717

約数の個数: 16

約数和(自身を含む): 190424640

約数和(自身を除く): 62393151

約数列:

[1, 3, 9, 27, 257, 771, 2313, 6939, 18451, 55353, 166059, 498177, 4741907, 14225721, 42677163, 128031489]

約数ペア:

[(1, 128031489), (3, 42677163), (9, 14225721), (27, 4741907), (257, 498177), (771, 166059), (2313, 55353), (6939, 18451)]