20180928321

素因数分解:

$3^2\times {\mathrm{647}}^1\times {\mathrm{3465727}}^1$

素因数の和:3466380

約数の個数: 12

約数和(自身を含む): 29195292672

約数和(自身を除く): 9014364351

約数列:

[1, 3, 9, 647, 1941, 5823, 3465727, 10397181, 31191543, 2242325369, 6726976107, 20180928321]

約数ペア:

[(1, 20180928321), (3, 6726976107), (9, 2242325369), (647, 31191543), (1941, 10397181), (5823, 3465727)]