18256563

素因数分解:

$3^3\times {\mathrm{13}}^2\times {\mathrm{4001}}^1$

素因数の和:4036

約数の個数: 24

約数和(自身を含む): 29294640

約数和(自身を除く): 11038077

約数列:

[1, 3, 9, 13, 27, 39, 117, 169, 351, 507, 1521, 4001, 4563, 12003, 36009, 52013, 108027, 156039, 468117, 676169, 1404351, 2028507, 6085521, 18256563]

約数ペア:

[(1, 18256563), (3, 6085521), (9, 2028507), (13, 1404351), (27, 676169), (39, 468117), (117, 156039), (169, 108027), (351, 52013), (507, 36009), (1521, 12003), (4001, 4563)]