1278118521

素因数分解:

$3^6\times {\mathrm{1753249}}^1$

素因数の和:1753267

約数の個数: 14

約数和(自身を含む): 1916302250

約数和(自身を除く): 638183729

約数列:

[1, 3, 9, 27, 81, 243, 729, 1753249, 5259747, 15779241, 47337723, 142013169, 426039507, 1278118521]

約数ペア:

[(1, 1278118521), (3, 426039507), (9, 142013169), (27, 47337723), (81, 15779241), (243, 5259747), (729, 1753249)]