285989391

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{20947}}^1$

素因数の和:21031

約数の個数: 24

約数和(自身を含む): 434629104

約数和(自身を除く): 148639713

約数列:

[1, 3, 9, 37, 41, 111, 123, 333, 369, 1517, 4551, 13653, 20947, 62841, 188523, 775039, 858827, 2325117, 2576481, 6975351, 7729443, 31776599, 95329797, 285989391]

約数ペア:

[(1, 285989391), (3, 95329797), (9, 31776599), (37, 7729443), (41, 6975351), (111, 2576481), (123, 2325117), (333, 858827), (369, 775039), (1517, 188523), (4551, 62841), (13653, 20947)]