165721157

素因数分解:

$7^1\times {\mathrm{127}}^1\times {\mathrm{131}}^1\times {\mathrm{1423}}^1$

素因数の和:1688

約数の個数: 16

約数和(自身を含む): 192479232

約数和(自身を除く): 26758075

約数列:

[1, 7, 127, 131, 889, 917, 1423, 9961, 16637, 116459, 180721, 186413, 1265047, 1304891, 23674451, 165721157]

約数ペア:

[(1, 165721157), (7, 23674451), (127, 1304891), (131, 1265047), (889, 186413), (917, 180721), (1423, 116459), (9961, 16637)]