13049991

素因数分解:

$3^4\times {\mathrm{73}}^1\times {\mathrm{2207}}^1$

素因数の和:2292

約数の個数: 20

約数和(自身を含む): 19770432

約数和(自身を除く): 6720441

約数列:

[1, 3, 9, 27, 73, 81, 219, 657, 1971, 2207, 5913, 6621, 19863, 59589, 161111, 178767, 483333, 1449999, 4349997, 13049991]

約数ペア:

[(1, 13049991), (3, 4349997), (9, 1449999), (27, 483333), (73, 178767), (81, 161111), (219, 59589), (657, 19863), (1971, 6621), (2207, 5913)]