16984527

素因数分解:

$3^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{2687}}^1$

素因数の和:2747

約数の個数: 24

約数和(自身を含む): 26966016

約数和(自身を除く): 9981489

約数列:

[1, 3, 7, 21, 43, 49, 129, 147, 301, 903, 2107, 2687, 6321, 8061, 18809, 56427, 115541, 131663, 346623, 394989, 808787, 2426361, 5661509, 16984527]

約数ペア:

[(1, 16984527), (3, 5661509), (7, 2426361), (21, 808787), (43, 394989), (49, 346623), (129, 131663), (147, 115541), (301, 56427), (903, 18809), (2107, 8061), (2687, 6321)]