139902217

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^2\times {\mathrm{1123}}^1$

素因数の和:1217

約数の個数: 24

約数和(自身を含む): 177124416

約数和(自身を除く): 37222199

約数列:

[1, 7, 13, 37, 91, 259, 481, 1123, 1369, 3367, 7861, 9583, 14599, 17797, 41551, 102193, 124579, 290857, 540163, 1537387, 3781141, 10761709, 19986031, 139902217]

約数ペア:

[(1, 139902217), (7, 19986031), (13, 10761709), (37, 3781141), (91, 1537387), (259, 540163), (481, 290857), (1123, 124579), (1369, 102193), (3367, 41551), (7861, 17797), (9583, 14599)]