28220193

素因数分解:

$3^2\times {\mathrm{739}}^1\times {\mathrm{4243}}^1$

素因数の和:4988

約数の個数: 12

約数和(自身を含む): 40827280

約数和(自身を除く): 12607087

約数列:

[1, 3, 9, 739, 2217, 4243, 6651, 12729, 38187, 3135577, 9406731, 28220193]

約数ペア:

[(1, 28220193), (3, 9406731), (9, 3135577), (739, 38187), (2217, 12729), (4243, 6651)]