254991807

素因数分解:

$3^6\times 7^1\times {\mathrm{107}}^1\times {\mathrm{467}}^1$

素因数の和:599

約数の個数: 56

約数和(自身を含む): 441956736

約数和(自身を除く): 186964929

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 107, 189, 243, 321, 467, 567, 729, 749, 963, 1401, 1701, 2247, 2889, 3269, 4203, 5103, 6741, 8667, 9807, 12609, 20223, 26001, 29421, 37827, 49969, 60669, 78003, 88263, 113481, 149907, 182007, 264789, 340443, 349783, 449721, 546021, 794367, 1049349, 1349163, 2383101, 3148047, 4047489, 9444141, 12142467, 28332423, 36427401, 84997269, 254991807]

約数ペア:

[(1, 254991807), (3, 84997269), (7, 36427401), (9, 28332423), (21, 12142467), (27, 9444141), (63, 4047489), (81, 3148047), (107, 2383101), (189, 1349163), (243, 1049349), (321, 794367), (467, 546021), (567, 449721), (729, 349783), (749, 340443), (963, 264789), (1401, 182007), (1701, 149907), (2247, 113481), (2889, 88263), (3269, 78003), (4203, 60669), (5103, 49969), (6741, 37827), (8667, 29421), (9807, 26001), (12609, 20223)]