2190206781

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{2045011}}^1$

素因数の和:2045041

約数の個数: 24

約数和(自身を含む): 3828262464

約数和(自身を除く): 1638055683

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 153, 357, 1071, 2045011, 6135033, 14315077, 18405099, 34765187, 42945231, 104295561, 128835693, 243356309, 312886683, 730068927, 2190206781]

約数ペア:

[(1, 2190206781), (3, 730068927), (7, 312886683), (9, 243356309), (17, 128835693), (21, 104295561), (51, 42945231), (63, 34765187), (119, 18405099), (153, 14315077), (357, 6135033), (1071, 2045011)]