2007207531

素因数分解:

$3^2\times 7^3\times {\mathrm{650213}}^1$

素因数の和:650240

約数の個数: 24

約数和(自身を含む): 3381112800

約数和(自身を除く): 1373905269

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 343, 441, 1029, 3087, 650213, 1950639, 4551491, 5851917, 13654473, 31860437, 40963419, 95581311, 223023059, 286743933, 669069177, 2007207531]

約数ペア:

[(1, 2007207531), (3, 669069177), (7, 286743933), (9, 223023059), (21, 95581311), (49, 40963419), (63, 31860437), (147, 13654473), (343, 5851917), (441, 4551491), (1029, 1950639), (3087, 650213)]