51815889

素因数分解:

$3^3\times {\mathrm{89}}^1\times {\mathrm{21563}}^1$

素因数の和:21661

約数の個数: 16

約数和(自身を含む): 77630400

約数和(自身を除く): 25814511

約数列:

[1, 3, 9, 27, 89, 267, 801, 2403, 21563, 64689, 194067, 582201, 1919107, 5757321, 17271963, 51815889]

約数ペア:

[(1, 51815889), (3, 17271963), (9, 5757321), (27, 1919107), (89, 582201), (267, 194067), (801, 64689), (2403, 21563)]