207934857

素因数分解:

$3^6\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{593}}^1$

素因数の和:661

約数の個数: 56

約数和(自身を含む): 345396744

約数和(自身を除く): 137461887

約数列:

[1, 3, 9, 13, 27, 37, 39, 81, 111, 117, 243, 333, 351, 481, 593, 729, 999, 1053, 1443, 1779, 2997, 3159, 4329, 5337, 7709, 8991, 9477, 12987, 16011, 21941, 23127, 26973, 38961, 48033, 65823, 69381, 116883, 144099, 197469, 208143, 285233, 350649, 432297, 592407, 624429, 855699, 1777221, 1873287, 2567097, 5331663, 5619861, 7701291, 15994989, 23103873, 69311619, 207934857]

約数ペア:

[(1, 207934857), (3, 69311619), (9, 23103873), (13, 15994989), (27, 7701291), (37, 5619861), (39, 5331663), (81, 2567097), (111, 1873287), (117, 1777221), (243, 855699), (333, 624429), (351, 592407), (481, 432297), (593, 350649), (729, 285233), (999, 208143), (1053, 197469), (1443, 144099), (1779, 116883), (2997, 69381), (3159, 65823), (4329, 48033), (5337, 38961), (7709, 26973), (8991, 23127), (9477, 21941), (12987, 16011)]