28842543

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{45137}}^1$

素因数の和:45214

約数の個数: 12

約数和(自身を含む): 42249168

約数和(自身を除く): 13406625

約数列:

[1, 3, 9, 71, 213, 639, 45137, 135411, 406233, 3204727, 9614181, 28842543]

約数ペア:

[(1, 28842543), (3, 9614181), (9, 3204727), (71, 406233), (213, 135411), (639, 45137)]