31439239

素因数分解:

${\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{353}}^1$

素因数の和:427

約数の個数: 24

約数和(自身を含む): 37314432

約数和(自身を除く): 5875193

約数列:

[1, 13, 17, 31, 169, 221, 353, 403, 527, 2873, 4589, 5239, 6001, 6851, 10943, 59657, 78013, 89063, 142259, 186031, 1014169, 1849367, 2418403, 31439239]

約数ペア:

[(1, 31439239), (13, 2418403), (17, 1849367), (31, 1014169), (169, 186031), (221, 142259), (353, 89063), (403, 78013), (527, 59657), (2873, 10943), (4589, 6851), (5239, 6001)]