12890121

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{829}}^1$

素因数の和:976

約数の個数: 16

約数和(自身を含む): 17688960

約数和(自身を除く): 4798839

約数列:

[1, 3, 71, 73, 213, 219, 829, 2487, 5183, 15549, 58859, 60517, 176577, 181551, 4296707, 12890121]

約数ペア:

[(1, 12890121), (3, 4296707), (71, 181551), (73, 176577), (213, 60517), (219, 58859), (829, 15549), (2487, 5183)]