16278489

素因数分解:

$3^4\times {\mathrm{73}}^1\times {\mathrm{2753}}^1$

素因数の和:2838

約数の個数: 20

約数和(自身を含む): 24659316

約数和(自身を除く): 8380827

約数列:

[1, 3, 9, 27, 73, 81, 219, 657, 1971, 2753, 5913, 8259, 24777, 74331, 200969, 222993, 602907, 1808721, 5426163, 16278489]

約数ペア:

[(1, 16278489), (3, 5426163), (9, 1808721), (27, 602907), (73, 222993), (81, 200969), (219, 74331), (657, 24777), (1971, 8259), (2753, 5913)]