25731243

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{599}}^1$

素因数の和:688

約数の個数: 32

約数和(自身を含む): 40128000

約数和(自身を除く): 14396757

約数列:

[1, 3, 9, 27, 37, 43, 111, 129, 333, 387, 599, 999, 1161, 1591, 1797, 4773, 5391, 14319, 16173, 22163, 25757, 42957, 66489, 77271, 199467, 231813, 598401, 695439, 953009, 2859027, 8577081, 25731243]

約数ペア:

[(1, 25731243), (3, 8577081), (9, 2859027), (27, 953009), (37, 695439), (43, 598401), (111, 231813), (129, 199467), (333, 77271), (387, 66489), (599, 42957), (999, 25757), (1161, 22163), (1591, 16173), (1797, 14319), (4773, 5391)]