2008451781

素因数分解:

$3^4\times 7^1\times {\mathrm{3542243}}^1$

素因数の和:3542262

約数の個数: 20

約数和(自身を含む): 3428892192

約数和(自身を除く): 1420440411

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 3542243, 10626729, 24795701, 31880187, 74387103, 95640561, 223161309, 286921683, 669483927, 2008451781]

約数ペア:

[(1, 2008451781), (3, 669483927), (7, 286921683), (9, 223161309), (21, 95640561), (27, 74387103), (63, 31880187), (81, 24795701), (189, 10626729), (567, 3542243)]