12940881

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{9871}}^1$

素因数の和:9916

約数の個数: 16

約数和(自身を含む): 18954240

約数和(自身を除く): 6013359

約数列:

[1, 3, 19, 23, 57, 69, 437, 1311, 9871, 29613, 187549, 227033, 562647, 681099, 4313627, 12940881]

約数ペア:

[(1, 12940881), (3, 4313627), (19, 681099), (23, 562647), (57, 227033), (69, 187549), (437, 29613), (1311, 9871)]