28790487

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{41}}^2\times {\mathrm{173}}^1$

素因数の和:272

約数の個数: 36

約数和(自身を含む): 46769112

約数和(自身を除く): 17978625

約数列:

[1, 3, 9, 11, 33, 41, 99, 123, 173, 369, 451, 519, 1353, 1557, 1681, 1903, 4059, 5043, 5709, 7093, 15129, 17127, 18491, 21279, 55473, 63837, 78023, 166419, 234069, 290813, 702207, 872439, 2617317, 3198943, 9596829, 28790487]

約数ペア:

[(1, 28790487), (3, 9596829), (9, 3198943), (11, 2617317), (33, 872439), (41, 702207), (99, 290813), (123, 234069), (173, 166419), (369, 78023), (451, 63837), (519, 55473), (1353, 21279), (1557, 18491), (1681, 17127), (1903, 15129), (4059, 7093), (5043, 5709)]