16731687

素因数分解:

$3^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{2647}}^1$

素因数の和:2707

約数の個数: 24

約数和(自身を含む): 26564736

約数和(自身を除く): 9833049

約数列:

[1, 3, 7, 21, 43, 49, 129, 147, 301, 903, 2107, 2647, 6321, 7941, 18529, 55587, 113821, 129703, 341463, 389109, 796747, 2390241, 5577229, 16731687]

約数ペア:

[(1, 16731687), (3, 5577229), (7, 2390241), (21, 796747), (43, 389109), (49, 341463), (129, 129703), (147, 113821), (301, 55587), (903, 18529), (2107, 7941), (2647, 6321)]