2783151

素因数分解:

$3^2\times 7^2\times {\mathrm{6311}}^1$

素因数の和:6331

約数の個数: 18

約数和(自身を含む): 4677192

約数和(自身を除く): 1894041

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 6311, 18933, 44177, 56799, 132531, 309239, 397593, 927717, 2783151]

約数ペア:

[(1, 2783151), (3, 927717), (7, 397593), (9, 309239), (21, 132531), (49, 56799), (63, 44177), (147, 18933), (441, 6311)]