12142755

素因数分解:

$3^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{1811}}^1$

素因数の和:1971

約数の個数: 24

約数和(自身を含む): 21200400

約数和(自身を除く): 9057645

約数列:

[1, 3, 5, 9, 15, 45, 149, 447, 745, 1341, 1811, 2235, 5433, 6705, 9055, 16299, 27165, 81495, 269839, 809517, 1349195, 2428551, 4047585, 12142755]

約数ペア:

[(1, 12142755), (3, 4047585), (5, 2428551), (9, 1349195), (15, 809517), (45, 269839), (149, 81495), (447, 27165), (745, 16299), (1341, 9055), (1811, 6705), (2235, 5433)]