12921429

素因数分解:

$3^1\times {\mathrm{137}}^1\times {\mathrm{149}}^1\times {\mathrm{211}}^1$

素因数の和:500

約数の個数: 16

約数和(自身を含む): 17553600

約数和(自身を除く): 4632171

約数列:

[1, 3, 137, 149, 211, 411, 447, 633, 20413, 28907, 31439, 61239, 86721, 94317, 4307143, 12921429]

約数ペア:

[(1, 12921429), (3, 4307143), (137, 94317), (149, 86721), (211, 61239), (411, 31439), (447, 28907), (633, 20413)]