390937665

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{263}}^1\times {\mathrm{2417}}^1$

素因数の和:2729

約数の個数: 32

約数和(自身を含む): 643458816

約数和(自身を除く): 252521151

約数列:

[1, 3, 5, 15, 41, 123, 205, 263, 615, 789, 1315, 2417, 3945, 7251, 10783, 12085, 32349, 36255, 53915, 99097, 161745, 297291, 495485, 635671, 1486455, 1907013, 3178355, 9535065, 26062511, 78187533, 130312555, 390937665]

約数ペア:

[(1, 390937665), (3, 130312555), (5, 78187533), (15, 26062511), (41, 9535065), (123, 3178355), (205, 1907013), (263, 1486455), (615, 635671), (789, 495485), (1315, 297291), (2417, 161745), (3945, 99097), (7251, 53915), (10783, 36255), (12085, 32349)]