12172901

素因数分解:

${\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{223}}^1$

素因数の和:285

約数の個数: 24

約数和(自身を含む): 14757120

約数和(自身を除く): 2584219

約数列:

[1, 13, 17, 19, 169, 221, 223, 247, 323, 2873, 2899, 3211, 3791, 4199, 4237, 37687, 49283, 54587, 55081, 72029, 640679, 716053, 936377, 12172901]

約数ペア:

[(1, 12172901), (13, 936377), (17, 716053), (19, 640679), (169, 72029), (221, 55081), (223, 54587), (247, 49283), (323, 37687), (2873, 4237), (2899, 4199), (3211, 3791)]