2109798813

素因数分解:

$3^1\times {\mathrm{157}}^1\times {\mathrm{163}}^1\times {\mathrm{27481}}^1$

素因数の和:27804

約数の個数: 16

約数和(自身を含む): 2848454336

約数和(自身を除く): 738655523

約数列:

[1, 3, 157, 163, 471, 489, 25591, 27481, 76773, 82443, 4314517, 4479403, 12943551, 13438209, 703266271, 2109798813]

約数ペア:

[(1, 2109798813), (3, 703266271), (157, 13438209), (163, 12943551), (471, 4479403), (489, 4314517), (25591, 82443), (27481, 76773)]