1320021657

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{107}}^1\times {\mathrm{233}}^1$

素因数の和:439

約数の個数: 64

約数和(自身を含む): 2074325760

約数和(自身を除く): 754304103

約数列:

[1, 3, 9, 27, 37, 53, 107, 111, 159, 233, 321, 333, 477, 699, 963, 999, 1431, 1961, 2097, 2889, 3959, 5671, 5883, 6291, 8621, 11877, 12349, 17013, 17649, 24931, 25863, 35631, 37047, 51039, 52947, 74793, 77589, 106893, 111141, 153117, 209827, 224379, 232767, 333423, 456913, 629481, 673137, 922447, 1321343, 1370739, 1888443, 2767341, 3964029, 4112217, 5665329, 8302023, 11892087, 12336651, 24906069, 35676261, 48889691, 146669073, 440007219, 1320021657]

約数ペア:

[(1, 1320021657), (3, 440007219), (9, 146669073), (27, 48889691), (37, 35676261), (53, 24906069), (107, 12336651), (111, 11892087), (159, 8302023), (233, 5665329), (321, 4112217), (333, 3964029), (477, 2767341), (699, 1888443), (963, 1370739), (999, 1321343), (1431, 922447), (1961, 673137), (2097, 629481), (2889, 456913), (3959, 333423), (5671, 232767), (5883, 224379), (6291, 209827), (8621, 153117), (11877, 111141), (12349, 106893), (17013, 77589), (17649, 74793), (24931, 52947), (25863, 51039), (35631, 37047)]