12186531

素因数分解:

$3^4\times 7^1\times {\mathrm{21493}}^1$

素因数の和:21512

約数の個数: 20

約数和(自身を含む): 20806192

約数和(自身を除く): 8619661

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 21493, 64479, 150451, 193437, 451353, 580311, 1354059, 1740933, 4062177, 12186531]

約数ペア:

[(1, 12186531), (3, 4062177), (7, 1740933), (9, 1354059), (21, 580311), (27, 451353), (63, 193437), (81, 150451), (189, 64479), (567, 21493)]