290804571

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{883}}^1$

素因数の和:992

約数の個数: 48

約数和(自身を含む): 461150976

約数和(自身を除く): 170346405

約数列:

[1, 3, 9, 23, 37, 43, 69, 111, 129, 207, 333, 387, 851, 883, 989, 1591, 2553, 2649, 2967, 4773, 7659, 7947, 8901, 14319, 20309, 32671, 36593, 37969, 60927, 98013, 109779, 113907, 182781, 294039, 329337, 341721, 751433, 873287, 1404853, 2254299, 2619861, 4214559, 6762897, 7859583, 12643677, 32311619, 96934857, 290804571]

約数ペア:

[(1, 290804571), (3, 96934857), (9, 32311619), (23, 12643677), (37, 7859583), (43, 6762897), (69, 4214559), (111, 2619861), (129, 2254299), (207, 1404853), (333, 873287), (387, 751433), (851, 341721), (883, 329337), (989, 294039), (1591, 182781), (2553, 113907), (2649, 109779), (2967, 98013), (4773, 60927), (7659, 37969), (7947, 36593), (8901, 32671), (14319, 20309)]