16927281

素因数分解:

$3^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{1933}}^1$

素因数の和:2085

約数の個数: 24

約数和(自身を含む): 28159040

約数和(自身を除く): 11231759

約数列:

[1, 3, 7, 9, 21, 63, 139, 417, 973, 1251, 1933, 2919, 5799, 8757, 13531, 17397, 40593, 121779, 268687, 806061, 1880809, 2418183, 5642427, 16927281]

約数ペア:

[(1, 16927281), (3, 5642427), (7, 2418183), (9, 1880809), (21, 806061), (63, 268687), (139, 121779), (417, 40593), (973, 17397), (1251, 13531), (1933, 8757), (2919, 5799)]