12121571

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{523}}^1$

素因数の和:591

約数の個数: 24

約数和(自身を含む): 15770304

約数和(自身を除く): 3648733

約数列:

[1, 7, 11, 43, 49, 77, 301, 473, 523, 539, 2107, 3311, 3661, 5753, 22489, 23177, 25627, 40271, 157423, 247379, 281897, 1101961, 1731653, 12121571]

約数ペア:

[(1, 12121571), (7, 1731653), (11, 1101961), (43, 281897), (49, 247379), (77, 157423), (301, 40271), (473, 25627), (523, 23177), (539, 22489), (2107, 5753), (3311, 3661)]