2005128891

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{3228871}}^1$

素因数の和:3228903

約数の個数: 16

約数和(自身を含む): 3099717120

約数和(自身を除く): 1094588229

約数列:

[1, 3, 9, 23, 27, 69, 207, 621, 3228871, 9686613, 29059839, 74264033, 87179517, 222792099, 668376297, 2005128891]

約数ペア:

[(1, 2005128891), (3, 668376297), (9, 222792099), (23, 87179517), (27, 74264033), (69, 29059839), (207, 9686613), (621, 3228871)]