2008188021

素因数分解:

$3^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{317701}}^1$

素因数の和:317761

約数の個数: 24

約数和(自身を含む): 3187186464

約数和(自身を除く): 1178998443

約数列:

[1, 3, 7, 21, 43, 49, 129, 147, 301, 903, 2107, 6321, 317701, 953103, 2223907, 6671721, 13661143, 15567349, 40983429, 46702047, 95628001, 286884003, 669396007, 2008188021]

約数ペア:

[(1, 2008188021), (3, 669396007), (7, 286884003), (21, 95628001), (43, 46702047), (49, 40983429), (129, 15567349), (147, 13661143), (301, 6671721), (903, 2223907), (2107, 953103), (6321, 317701)]