16262721

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{223}}^1$

素因数の和:342

約数の個数: 32

約数和(自身を含む): 25195520

約数和(自身を除く): 8932799

約数列:

[1, 3, 9, 27, 37, 73, 111, 219, 223, 333, 657, 669, 999, 1971, 2007, 2701, 6021, 8103, 8251, 16279, 24309, 24753, 48837, 72927, 74259, 146511, 222777, 439533, 602323, 1806969, 5420907, 16262721]

約数ペア:

[(1, 16262721), (3, 5420907), (9, 1806969), (27, 602323), (37, 439533), (73, 222777), (111, 146511), (219, 74259), (223, 72927), (333, 48837), (657, 24753), (669, 24309), (999, 16279), (1971, 8251), (2007, 8103), (2701, 6021)]