12943557

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{199}}^1$

素因数の和:295

約数の個数: 40

約数和(自身を含む): 21489600

約数和(自身を除く): 8546043

約数列:

[1, 3, 9, 11, 27, 33, 73, 81, 99, 199, 219, 297, 597, 657, 803, 891, 1791, 1971, 2189, 2409, 5373, 5913, 6567, 7227, 14527, 16119, 19701, 21681, 43581, 59103, 65043, 130743, 159797, 177309, 392229, 479391, 1176687, 1438173, 4314519, 12943557]

約数ペア:

[(1, 12943557), (3, 4314519), (9, 1438173), (11, 1176687), (27, 479391), (33, 392229), (73, 177309), (81, 159797), (99, 130743), (199, 65043), (219, 59103), (297, 43581), (597, 21681), (657, 19701), (803, 16119), (891, 14527), (1791, 7227), (1971, 6567), (2189, 5913), (2409, 5373)]