15663739

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{4003}}^1$

素因数の和:4066

約数の個数: 16

約数和(自身を含む): 19731712

約数和(自身を除く): 4067973

約数列:

[1, 7, 13, 43, 91, 301, 559, 3913, 4003, 28021, 52039, 172129, 364273, 1204903, 2237677, 15663739]

約数ペア:

[(1, 15663739), (7, 2237677), (13, 1204903), (43, 364273), (91, 172129), (301, 52039), (559, 28021), (3913, 4003)]