31890521

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{1277}}^1$

素因数の和:1420

約数の個数: 16

約数和(自身を含む): 36714384

約数和(自身を除く): 4823863

約数列:

[1, 13, 17, 113, 221, 1277, 1469, 1921, 16601, 21709, 24973, 144301, 282217, 1875913, 2453117, 31890521]

約数ペア:

[(1, 31890521), (13, 2453117), (17, 1875913), (113, 282217), (221, 144301), (1277, 24973), (1469, 21709), (1921, 16601)]