12901761

素因数分解:

$3^4\times {\mathrm{149}}^1\times {\mathrm{1069}}^1$

素因数の和:1230

約数の個数: 20

約数和(自身を含む): 19420500

約数和(自身を除く): 6518739

約数列:

[1, 3, 9, 27, 81, 149, 447, 1069, 1341, 3207, 4023, 9621, 12069, 28863, 86589, 159281, 477843, 1433529, 4300587, 12901761]

約数ペア:

[(1, 12901761), (3, 4300587), (9, 1433529), (27, 477843), (81, 159281), (149, 86589), (447, 28863), (1069, 12069), (1341, 9621), (3207, 4023)]