16491357

素因数分解:

$3^4\times {\mathrm{73}}^1\times {\mathrm{2789}}^1$

素因数の和:2874

約数の個数: 20

約数和(自身を含む): 24981660

約数和(自身を除く): 8490303

約数列:

[1, 3, 9, 27, 73, 81, 219, 657, 1971, 2789, 5913, 8367, 25101, 75303, 203597, 225909, 610791, 1832373, 5497119, 16491357]

約数ペア:

[(1, 16491357), (3, 5497119), (9, 1832373), (27, 610791), (73, 225909), (81, 203597), (219, 75303), (657, 25101), (1971, 8367), (2789, 5913)]