139170997

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{7727}}^1$

素因数の和:7848

約数の個数: 16

約数和(自身を含む): 166182912

約数和(自身を除く): 27011915

約数列:

[1, 7, 31, 83, 217, 581, 2573, 7727, 18011, 54089, 239537, 641341, 1676759, 4489387, 19881571, 139170997]

約数ペア:

[(1, 139170997), (7, 19881571), (31, 4489387), (83, 1676759), (217, 641341), (581, 239537), (2573, 54089), (7727, 18011)]