28204281

素因数分解:

$3^6\times 7^1\times {\mathrm{5527}}^1$

素因数の和:5552

約数の個数: 28

約数和(自身を含む): 48336832

約数和(自身を除く): 20132551

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 729, 1701, 5103, 5527, 16581, 38689, 49743, 116067, 149229, 348201, 447687, 1044603, 1343061, 3133809, 4029183, 9401427, 28204281]

約数ペア:

[(1, 28204281), (3, 9401427), (7, 4029183), (9, 3133809), (21, 1343061), (27, 1044603), (63, 447687), (81, 348201), (189, 149229), (243, 116067), (567, 49743), (729, 38689), (1701, 16581), (5103, 5527)]