223640781

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{461}}^1\times {\mathrm{1777}}^1$

素因数の和:2261

約数の個数: 32

約数和(自身を含む): 368003328

約数和(自身を除く): 144362547

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 461, 1383, 1777, 3227, 5331, 5993, 9681, 12439, 17979, 23101, 37317, 41951, 69303, 125853, 161707, 485121, 819197, 2457591, 5734379, 10649561, 17203137, 31948683, 74546927, 223640781]

約数ペア:

[(1, 223640781), (3, 74546927), (7, 31948683), (13, 17203137), (21, 10649561), (39, 5734379), (91, 2457591), (273, 819197), (461, 485121), (1383, 161707), (1777, 125853), (3227, 69303), (5331, 41951), (5993, 37317), (9681, 23101), (12439, 17979)]