31780463

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{769}}^1$

素因数の和:827

約数の個数: 24

約数和(自身を含む): 39713520

約数和(自身を除く): 7933057

約数列:

[1, 11, 13, 17, 143, 187, 221, 289, 769, 2431, 3179, 3757, 8459, 9997, 13073, 41327, 109967, 143803, 169949, 222241, 1869439, 2444651, 2889133, 31780463]

約数ペア:

[(1, 31780463), (11, 2889133), (13, 2444651), (17, 1869439), (143, 222241), (187, 169949), (221, 143803), (289, 109967), (769, 41327), (2431, 13073), (3179, 9997), (3757, 8459)]