27784953

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{25943}}^1$

素因数の和:25973

約数の個数: 24

約数和(自身を含む): 48567168

約数和(自身を除く): 20782215

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 153, 357, 1071, 25943, 77829, 181601, 233487, 441031, 544803, 1323093, 1634409, 3087217, 3969279, 9261651, 27784953]

約数ペア:

[(1, 27784953), (3, 9261651), (7, 3969279), (9, 3087217), (17, 1634409), (21, 1323093), (51, 544803), (63, 441031), (119, 233487), (153, 181601), (357, 77829), (1071, 25943)]