163721987

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{137}}^2$

素因数の和:359

約数の個数: 24

約数和(自身を含む): 196935312

約数和(自身を除く): 33213325

約数列:

[1, 11, 13, 61, 137, 143, 671, 793, 1507, 1781, 8357, 8723, 18769, 19591, 91927, 108641, 206459, 243997, 1144909, 1195051, 2683967, 12593999, 14883817, 163721987]

約数ペア:

[(1, 163721987), (11, 14883817), (13, 12593999), (61, 2683967), (137, 1195051), (143, 1144909), (671, 243997), (793, 206459), (1507, 108641), (1781, 91927), (8357, 19591), (8723, 18769)]