27891279

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{1069}}^1$

素因数の和:1311

約数の個数: 24

約数和(自身を含む): 43621760

約数和(自身を除く): 15730481

約数列:

[1, 3, 9, 13, 39, 117, 223, 669, 1069, 2007, 2899, 3207, 8697, 9621, 13897, 26091, 41691, 125073, 238387, 715161, 2145483, 3099031, 9297093, 27891279]

約数ペア:

[(1, 27891279), (3, 9297093), (9, 3099031), (13, 2145483), (39, 715161), (117, 238387), (223, 125073), (669, 41691), (1069, 26091), (2007, 13897), (2899, 9621), (3207, 8697)]