31387967

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{1303}}^1$

素因数の和:1442

約数の個数: 16

約数和(自身を含む): 36146880

約数和(自身を除く): 4758913

約数列:

[1, 13, 17, 109, 221, 1303, 1417, 1853, 16939, 22151, 24089, 142027, 287963, 1846351, 2414459, 31387967]

約数ペア:

[(1, 31387967), (13, 2414459), (17, 1846351), (109, 287963), (221, 142027), (1303, 24089), (1417, 22151), (1853, 16939)]