2108187

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{1531}}^1$

素因数の和:1560

約数の個数: 20

約数和(自身を含む): 3336696

約数和(自身を除く): 1228509

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 1531, 4593, 13779, 26027, 41337, 78081, 124011, 234243, 702729, 2108187]

約数ペア:

[(1, 2108187), (3, 702729), (9, 234243), (17, 124011), (27, 78081), (51, 41337), (81, 26027), (153, 13779), (459, 4593), (1377, 1531)]