28212261

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{122131}}^1$

素因数の和:122152

約数の個数: 16

約数和(自身を含む): 46898688

約数和(自身を除く): 18686427

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 122131, 366393, 854917, 1343441, 2564751, 4030323, 9404087, 28212261]

約数ペア:

[(1, 28212261), (3, 9404087), (7, 4030323), (11, 2564751), (21, 1343441), (33, 854917), (77, 366393), (231, 122131)]