1388890773

素因数分解:

$3^3\times {\mathrm{73}}^1\times {\mathrm{704663}}^1$

素因数の和:704745

約数の個数: 16

約数和(自身を含む): 2085805440

約数和(自身を除く): 696914667

約数列:

[1, 3, 9, 27, 73, 219, 657, 1971, 704663, 2113989, 6341967, 19025901, 51440399, 154321197, 462963591, 1388890773]

約数ペア:

[(1, 1388890773), (3, 462963591), (9, 154321197), (27, 51440399), (73, 19025901), (219, 6341967), (657, 2113989), (1971, 704663)]