16852221

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{709}}^1$

素因数の和:873

約数の個数: 24

約数和(自身を含む): 25844000

約数和(自身を除く): 8991779

約数列:

[1, 3, 9, 19, 57, 139, 171, 417, 709, 1251, 2127, 2641, 6381, 7923, 13471, 23769, 40413, 98551, 121239, 295653, 886959, 1872469, 5617407, 16852221]

約数ペア:

[(1, 16852221), (3, 5617407), (9, 1872469), (19, 886959), (57, 295653), (139, 121239), (171, 98551), (417, 40413), (709, 23769), (1251, 13471), (2127, 7923), (2641, 6381)]