16257339

素因数分解:

$3^2\times 7^1\times {\mathrm{211}}^1\times {\mathrm{1223}}^1$

素因数の和:1447

約数の個数: 24

約数和(自身を含む): 26986752

約数和(自身を除く): 10729413

約数列:

[1, 3, 7, 9, 21, 63, 211, 633, 1223, 1477, 1899, 3669, 4431, 8561, 11007, 13293, 25683, 77049, 258053, 774159, 1806371, 2322477, 5419113, 16257339]

約数ペア:

[(1, 16257339), (3, 5419113), (7, 2322477), (9, 1806371), (21, 774159), (63, 258053), (211, 77049), (633, 25683), (1223, 13293), (1477, 11007), (1899, 8561), (3669, 4431)]