2018421717

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{277}}^1\times {\mathrm{727}}^1$

素因数の和:1277

約数の個数: 32

約数和(自身を含む): 2924044032

約数和(自身を除く): 905622315

約数列:

[1, 3, 13, 39, 257, 277, 727, 771, 831, 2181, 3341, 3601, 9451, 10023, 10803, 28353, 71189, 186839, 201379, 213567, 560517, 604137, 925457, 2428907, 2617927, 2776371, 7286721, 7853781, 51754403, 155263209, 672807239, 2018421717]

約数ペア:

[(1, 2018421717), (3, 672807239), (13, 155263209), (39, 51754403), (257, 7853781), (277, 7286721), (727, 2776371), (771, 2617927), (831, 2428907), (2181, 925457), (3341, 604137), (3601, 560517), (9451, 213567), (10023, 201379), (10803, 186839), (28353, 71189)]