16909767

素因数分解:

$3^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{1931}}^1$

素因数の和:2083

約数の個数: 24

約数和(自身を含む): 28129920

約数和(自身を除く): 11220153

約数列:

[1, 3, 7, 9, 21, 63, 139, 417, 973, 1251, 1931, 2919, 5793, 8757, 13517, 17379, 40551, 121653, 268409, 805227, 1878863, 2415681, 5636589, 16909767]

約数ペア:

[(1, 16909767), (3, 5636589), (7, 2415681), (9, 1878863), (21, 805227), (63, 268409), (139, 121653), (417, 40551), (973, 17379), (1251, 13517), (1931, 8757), (2919, 5793)]