13824027

素因数分解:

$3^8\times 7^2\times {\mathrm{43}}^1$

素因数の和:81

約数の個数: 54

約数和(自身を含む): 24681228

約数和(自身を除く): 10857201

約数列:

[1, 3, 7, 9, 21, 27, 43, 49, 63, 81, 129, 147, 189, 243, 301, 387, 441, 567, 729, 903, 1161, 1323, 1701, 2107, 2187, 2709, 3483, 3969, 5103, 6321, 6561, 8127, 10449, 11907, 15309, 18963, 24381, 31347, 35721, 45927, 56889, 73143, 94041, 107163, 170667, 219429, 282123, 321489, 512001, 658287, 1536003, 1974861, 4608009, 13824027]

約数ペア:

[(1, 13824027), (3, 4608009), (7, 1974861), (9, 1536003), (21, 658287), (27, 512001), (43, 321489), (49, 282123), (63, 219429), (81, 170667), (129, 107163), (147, 94041), (189, 73143), (243, 56889), (301, 45927), (387, 35721), (441, 31347), (567, 24381), (729, 18963), (903, 15309), (1161, 11907), (1323, 10449), (1701, 8127), (2107, 6561), (2187, 6321), (2709, 5103), (3483, 3969)]