16347009

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^2\times {\mathrm{421}}^1$

素因数の和:517

約数の個数: 24

約数和(自身を含む): 25563072

約数和(自身を除く): 9216063

約数列:

[1, 3, 7, 21, 43, 129, 301, 421, 903, 1263, 1849, 2947, 5547, 8841, 12943, 18103, 38829, 54309, 126721, 380163, 778429, 2335287, 5449003, 16347009]

約数ペア:

[(1, 16347009), (3, 5449003), (7, 2335287), (21, 778429), (43, 380163), (129, 126721), (301, 54309), (421, 38829), (903, 18103), (1263, 12943), (1849, 8841), (2947, 5547)]