16940781

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{13163}}^1$

素因数の和:13193

約数の個数: 24

約数和(自身を含む): 28750176

約数和(自身を除く): 11809395

約数列:

[1, 3, 9, 11, 13, 33, 39, 99, 117, 143, 429, 1287, 13163, 39489, 118467, 144793, 171119, 434379, 513357, 1303137, 1540071, 1882309, 5646927, 16940781]

約数ペア:

[(1, 16940781), (3, 5646927), (9, 1882309), (11, 1540071), (13, 1303137), (33, 513357), (39, 434379), (99, 171119), (117, 144793), (143, 118467), (429, 39489), (1287, 13163)]