131105653

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{479}}^1\times {\mathrm{641}}^1$

素因数の和:1188

約数の個数: 16

約数和(自身を含む): 152847360

約数和(自身を除く): 21741707

約数列:

[1, 7, 61, 427, 479, 641, 3353, 4487, 29219, 39101, 204533, 273707, 307039, 2149273, 18729379, 131105653]

約数ペア:

[(1, 131105653), (7, 18729379), (61, 2149273), (427, 307039), (479, 273707), (641, 204533), (3353, 39101), (4487, 29219)]