28240989

素因数分解:

$3^1\times 7^1\times {\mathrm{883}}^1\times {\mathrm{1523}}^1$

素因数の和:2416

約数の個数: 16

約数和(自身を含む): 43110912

約数和(自身を除く): 14869923

約数列:

[1, 3, 7, 21, 883, 1523, 2649, 4569, 6181, 10661, 18543, 31983, 1344809, 4034427, 9413663, 28240989]

約数ペア:

[(1, 28240989), (3, 9413663), (7, 4034427), (21, 1344809), (883, 31983), (1523, 18543), (2649, 10661), (4569, 6181)]