20183247

素因数分解:

$3^2\times 7^2\times {\mathrm{45767}}^1$

素因数の和:45787

約数の個数: 18

約数和(自身を含む): 33914088

約数和(自身を除く): 13730841

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 45767, 137301, 320369, 411903, 961107, 2242583, 2883321, 6727749, 20183247]

約数ペア:

[(1, 20183247), (3, 6727749), (7, 2883321), (9, 2242583), (21, 961107), (49, 411903), (63, 320369), (147, 137301), (441, 45767)]