28821243

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{12301}}^1$

素因数の和:12386

約数の個数: 16

約数和(自身を含む): 42515712

約数和(自身を除く): 13694469

約数列:

[1, 3, 11, 33, 71, 213, 781, 2343, 12301, 36903, 135311, 405933, 873371, 2620113, 9607081, 28821243]

約数ペア:

[(1, 28821243), (3, 9607081), (11, 2620113), (33, 873371), (71, 405933), (213, 135311), (781, 36903), (2343, 12301)]