12840051

素因数分解:

$3^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{4463}}^1$

素因数の和:4610

約数の個数: 16

約数和(自身を含む): 19713024

約数和(自身を除く): 6872973

約数列:

[1, 3, 7, 21, 137, 411, 959, 2877, 4463, 13389, 31241, 93723, 611431, 1834293, 4280017, 12840051]

約数ペア:

[(1, 12840051), (3, 4280017), (7, 1834293), (21, 611431), (137, 93723), (411, 31241), (959, 13389), (2877, 4463)]