2008194489

素因数分解:

$3^2\times 7^2\times {\mathrm{4553729}}^1$

素因数の和:4553749

約数の個数: 18

約数和(自身を含む): 3374313930

約数和(自身を除く): 1366119441

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 4553729, 13661187, 31876103, 40983561, 95628309, 223132721, 286884927, 669398163, 2008194489]

約数ペア:

[(1, 2008194489), (3, 669398163), (7, 286884927), (9, 223132721), (21, 95628309), (49, 40983561), (63, 31876103), (147, 13661187), (441, 4553729)]