31311267

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{18671}}^1$

素因数の和:18730

約数の個数: 16

約数和(自身を含む): 46007808

約数和(自身を除く): 14696541

約数列:

[1, 3, 13, 39, 43, 129, 559, 1677, 18671, 56013, 242723, 728169, 802853, 2408559, 10437089, 31311267]

約数ペア:

[(1, 31311267), (3, 10437089), (13, 2408559), (39, 802853), (43, 728169), (129, 242723), (559, 56013), (1677, 18671)]