2991879

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{643}}^1$

素因数の和:707

約数の個数: 24

約数和(自身を含む): 4822272

約数和(自身を除く): 1830393

約数列:

[1, 3, 9, 11, 33, 47, 99, 141, 423, 517, 643, 1551, 1929, 4653, 5787, 7073, 21219, 30221, 63657, 90663, 271989, 332431, 997293, 2991879]

約数ペア:

[(1, 2991879), (3, 997293), (9, 332431), (11, 271989), (33, 90663), (47, 63657), (99, 30221), (141, 21219), (423, 7073), (517, 5787), (643, 4653), (1551, 1929)]