31216471

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{12841}}^1$

素因数の和:12882

約数の個数: 16

約数和(自身を含む): 38834208

約数和(自身を除く): 7617737

約数列:

[1, 11, 13, 17, 143, 187, 221, 2431, 12841, 141251, 166933, 218297, 1836263, 2401267, 2837861, 31216471]

約数ペア:

[(1, 31216471), (11, 2837861), (13, 2401267), (17, 1836263), (143, 218297), (187, 166933), (221, 141251), (2431, 12841)]