16221177

素因数分解:

$3^2\times 7^1\times {\mathrm{197}}^1\times {\mathrm{1307}}^1$

素因数の和:1517

約数の個数: 24

約数和(自身を含む): 26934336

約数和(自身を除く): 10713159

約数列:

[1, 3, 7, 9, 21, 63, 197, 591, 1307, 1379, 1773, 3921, 4137, 9149, 11763, 12411, 27447, 82341, 257479, 772437, 1802353, 2317311, 5407059, 16221177]

約数ペア:

[(1, 16221177), (3, 5407059), (7, 2317311), (9, 1802353), (21, 772437), (63, 257479), (197, 82341), (591, 27447), (1307, 12411), (1379, 11763), (1773, 9149), (3921, 4137)]