218934009

素因数分解:

$3^9\times 7^2\times {\mathrm{227}}^1$

素因数の和:268

約数の個数: 60

約数和(自身を含む): 383693904

約数和(自身を除く): 164759895

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 227, 243, 441, 567, 681, 729, 1323, 1589, 1701, 2043, 2187, 3969, 4767, 5103, 6129, 6561, 11123, 11907, 14301, 15309, 18387, 19683, 33369, 35721, 42903, 45927, 55161, 100107, 107163, 128709, 137781, 165483, 300321, 321489, 386127, 496449, 900963, 964467, 1158381, 1489347, 2702889, 3475143, 4468041, 8108667, 10425429, 24326001, 31276287, 72978003, 218934009]

約数ペア:

[(1, 218934009), (3, 72978003), (7, 31276287), (9, 24326001), (21, 10425429), (27, 8108667), (49, 4468041), (63, 3475143), (81, 2702889), (147, 1489347), (189, 1158381), (227, 964467), (243, 900963), (441, 496449), (567, 386127), (681, 321489), (729, 300321), (1323, 165483), (1589, 137781), (1701, 128709), (2043, 107163), (2187, 100107), (3969, 55161), (4767, 45927), (5103, 42903), (6129, 35721), (6561, 33369), (11123, 19683), (11907, 18387), (14301, 15309)]