28671657

素因数分解:

$3^1\times 7^1\times {\mathrm{683}}^1\times {\mathrm{1999}}^1$

素因数の和:2692

約数の個数: 16

約数和(自身を含む): 43776000

約数和(自身を除く): 15104343

約数列:

[1, 3, 7, 21, 683, 1999, 2049, 4781, 5997, 13993, 14343, 41979, 1365317, 4095951, 9557219, 28671657]

約数ペア:

[(1, 28671657), (3, 9557219), (7, 4095951), (21, 1365317), (683, 41979), (1999, 14343), (2049, 13993), (4781, 5997)]