2109303

素因数分解:

$3^2\times 7^2\times {\mathrm{4783}}^1$

素因数の和:4803

約数の個数: 18

約数和(自身を含む): 3544944

約数和(自身を除く): 1435641

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 4783, 14349, 33481, 43047, 100443, 234367, 301329, 703101, 2109303]

約数ペア:

[(1, 2109303), (3, 703101), (7, 301329), (9, 234367), (21, 100443), (49, 43047), (63, 33481), (147, 14349), (441, 4783)]