28087173

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{739}}^1$

素因数の和:889

約数の個数: 24

約数和(自身を含む): 42020160

約数和(自身を除く): 13932987

約数列:

[1, 3, 9, 41, 103, 123, 309, 369, 739, 927, 2217, 4223, 6651, 12669, 30299, 38007, 76117, 90897, 228351, 272691, 685053, 3120797, 9362391, 28087173]

約数ペア:

[(1, 28087173), (3, 9362391), (9, 3120797), (41, 685053), (103, 272691), (123, 228351), (309, 90897), (369, 76117), (739, 38007), (927, 30299), (2217, 12669), (4223, 6651)]