1520291421

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{667673}}^1$

素因数の和:667713

約数の個数: 24

約数和(自身を含む): 2499771456

約数和(自身を除く): 979480035

約数列:

[1, 3, 9, 11, 23, 33, 69, 99, 207, 253, 759, 2277, 667673, 2003019, 6009057, 7344403, 15356479, 22033209, 46069437, 66099627, 138208311, 168921269, 506763807, 1520291421]

約数ペア:

[(1, 1520291421), (3, 506763807), (9, 168921269), (11, 138208311), (23, 66099627), (33, 46069437), (69, 22033209), (99, 15356479), (207, 7344403), (253, 6009057), (759, 2003019), (2277, 667673)]