31071321

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{367}}^1\times {\mathrm{409}}^1$

素因数の和:805

約数の個数: 24

約数和(自身を含む): 47074560

約数和(自身を除く): 16003239

約数列:

[1, 3, 9, 23, 69, 207, 367, 409, 1101, 1227, 3303, 3681, 8441, 9407, 25323, 28221, 75969, 84663, 150103, 450309, 1350927, 3452369, 10357107, 31071321]

約数ペア:

[(1, 31071321), (3, 10357107), (9, 3452369), (23, 1350927), (69, 450309), (207, 150103), (367, 84663), (409, 75969), (1101, 28221), (1227, 25323), (3303, 9407), (3681, 8441)]