27720355901

素因数分解:

$7^2\times {\mathrm{431}}^1\times {\mathrm{1312579}}^1$

素因数の和:1313024

約数の個数: 12

約数和(自身を含む): 32320969920

約数和(自身を除く): 4600614019

約数列:

[1, 7, 49, 431, 3017, 21119, 1312579, 9188053, 64316371, 565721549, 3960050843, 27720355901]

約数ペア:

[(1, 27720355901), (7, 3960050843), (49, 565721549), (431, 64316371), (3017, 9188053), (21119, 1312579)]