815269

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{31}}^1$

素因数の和:85

約数の個数: 24

約数和(自身を含む): 1100288

約数和(自身を除く): 285019

約数列:

[1, 7, 13, 17, 31, 91, 119, 217, 221, 289, 403, 527, 1547, 2023, 2821, 3689, 3757, 6851, 8959, 26299, 47957, 62713, 116467, 815269]

約数ペア:

[(1, 815269), (7, 116467), (13, 62713), (17, 47957), (31, 26299), (91, 8959), (119, 6851), (217, 3757), (221, 3689), (289, 2821), (403, 2023), (527, 1547)]