254712717

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{2309}}^1$

素因数の和:2442

約数の個数: 48

約数和(自身を含む): 449729280

約数和(自身を除く): 195016563

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 103, 119, 153, 309, 357, 721, 927, 1071, 1751, 2163, 2309, 5253, 6489, 6927, 12257, 15759, 16163, 20781, 36771, 39253, 48489, 110313, 117759, 145467, 237827, 274771, 353277, 713481, 824313, 1664789, 2140443, 2472939, 4043059, 4994367, 12129177, 14983101, 28301413, 36387531, 84904239, 254712717]

約数ペア:

[(1, 254712717), (3, 84904239), (7, 36387531), (9, 28301413), (17, 14983101), (21, 12129177), (51, 4994367), (63, 4043059), (103, 2472939), (119, 2140443), (153, 1664789), (309, 824313), (357, 713481), (721, 353277), (927, 274771), (1071, 237827), (1751, 145467), (2163, 117759), (2309, 110313), (5253, 48489), (6489, 39253), (6927, 36771), (12257, 20781), (15759, 16163)]