16866339

素因数分解:

$3^1\times 7^3\times {\mathrm{37}}^1\times {\mathrm{443}}^1$

素因数の和:504

約数の個数: 32

約数和(自身を含む): 26995200

約数和(自身を除く): 10128861

約数列:

[1, 3, 7, 21, 37, 49, 111, 147, 259, 343, 443, 777, 1029, 1329, 1813, 3101, 5439, 9303, 12691, 16391, 21707, 38073, 49173, 65121, 114737, 151949, 344211, 455847, 803159, 2409477, 5622113, 16866339]

約数ペア:

[(1, 16866339), (3, 5622113), (7, 2409477), (21, 803159), (37, 455847), (49, 344211), (111, 151949), (147, 114737), (259, 65121), (343, 49173), (443, 38073), (777, 21707), (1029, 16391), (1329, 12691), (1813, 9303), (3101, 5439)]