12639681

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{37957}}^1$

素因数の和:38000

約数の個数: 12

約数和(自身を含む): 18751252

約数和(自身を除く): 6111571

約数列:

[1, 3, 9, 37, 111, 333, 37957, 113871, 341613, 1404409, 4213227, 12639681]

約数ペア:

[(1, 12639681), (3, 4213227), (9, 1404409), (37, 341613), (111, 113871), (333, 37957)]