388337571

素因数分解:

$3^6\times {\mathrm{191}}^1\times {\mathrm{2789}}^1$

素因数の和:2998

約数の個数: 28

約数和(自身を含む): 585498240

約数和(自身を除く): 197160669

約数列:

[1, 3, 9, 27, 81, 191, 243, 573, 729, 1719, 2789, 5157, 8367, 15471, 25101, 46413, 75303, 139239, 225909, 532699, 677727, 1598097, 2033181, 4794291, 14382873, 43148619, 129445857, 388337571]

約数ペア:

[(1, 388337571), (3, 129445857), (9, 43148619), (27, 14382873), (81, 4794291), (191, 2033181), (243, 1598097), (573, 677727), (729, 532699), (1719, 225909), (2789, 139239), (5157, 75303), (8367, 46413), (15471, 25101)]