205679985

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{47777}}^1$

素因数の和:47833

約数の個数: 32

約数和(自身を含む): 385281792

約数和(自身を除く): 179601807

約数列:

[1, 3, 5, 7, 15, 21, 35, 41, 105, 123, 205, 287, 615, 861, 1435, 4305, 47777, 143331, 238885, 334439, 716655, 1003317, 1672195, 1958857, 5016585, 5876571, 9794285, 13711999, 29382855, 41135997, 68559995, 205679985]

約数ペア:

[(1, 205679985), (3, 68559995), (5, 41135997), (7, 29382855), (15, 13711999), (21, 9794285), (35, 5876571), (41, 5016585), (105, 1958857), (123, 1672195), (205, 1003317), (287, 716655), (615, 334439), (861, 238885), (1435, 143331), (4305, 47777)]