1270647

素因数分解:

$3^7\times 7^1\times {\mathrm{83}}^1$

素因数の和:111

約数の個数: 32

約数和(自身を含む): 2204160

約数和(自身を除く): 933513

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 83, 189, 243, 249, 567, 581, 729, 747, 1701, 1743, 2187, 2241, 5103, 5229, 6723, 15309, 15687, 20169, 47061, 60507, 141183, 181521, 423549, 1270647]

約数ペア:

[(1, 1270647), (3, 423549), (7, 181521), (9, 141183), (21, 60507), (27, 47061), (63, 20169), (81, 15687), (83, 15309), (189, 6723), (243, 5229), (249, 5103), (567, 2241), (581, 2187), (729, 1743), (747, 1701)]