12990942

素因数分解:

$2^1\times 3^4\times {\mathrm{80191}}^1$

素因数の和:80205

約数の個数: 20

約数和(自身を含む): 29109696

約数和(自身を除く): 16118754

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 80191, 160382, 240573, 481146, 721719, 1443438, 2165157, 4330314, 6495471, 12990942]

約数ペア:

[(1, 12990942), (2, 6495471), (3, 4330314), (6, 2165157), (9, 1443438), (18, 721719), (27, 481146), (54, 240573), (81, 160382), (162, 80191)]