206820945

素因数分解:

$3^6\times 5^1\times {\mathrm{23}}^1\times {\mathrm{2467}}^1$

素因数の和:2513

約数の個数: 56

約数和(自身を含む): 388443456

約数和(自身を除く): 181622511

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 69, 81, 115, 135, 207, 243, 345, 405, 621, 729, 1035, 1215, 1863, 2467, 3105, 3645, 5589, 7401, 9315, 12335, 16767, 22203, 27945, 37005, 56741, 66609, 83835, 111015, 170223, 199827, 283705, 333045, 510669, 599481, 851115, 999135, 1532007, 1798443, 2553345, 2997405, 4596021, 7660035, 8992215, 13788063, 22980105, 41364189, 68940315, 206820945]

約数ペア:

[(1, 206820945), (3, 68940315), (5, 41364189), (9, 22980105), (15, 13788063), (23, 8992215), (27, 7660035), (45, 4596021), (69, 2997405), (81, 2553345), (115, 1798443), (135, 1532007), (207, 999135), (243, 851115), (345, 599481), (405, 510669), (621, 333045), (729, 283705), (1035, 199827), (1215, 170223), (1863, 111015), (2467, 83835), (3105, 66609), (3645, 56741), (5589, 37005), (7401, 27945), (9315, 22203), (12335, 16767)]