28487217

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{18367}}^1$

素因数の和:18428

約数の個数: 16

約数和(自身を含む): 42319872

約数和(自身を除く): 13832655

約数列:

[1, 3, 11, 33, 47, 141, 517, 1551, 18367, 55101, 202037, 606111, 863249, 2589747, 9495739, 28487217]

約数ペア:

[(1, 28487217), (3, 9495739), (11, 2589747), (33, 863249), (47, 606111), (141, 202037), (517, 55101), (1551, 18367)]