71393751

素因数分解:

$3^3\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{41}}^2$

素因数の和:126

約数の個数: 72

約数和(自身を含む): 128329040

約数和(自身を除く): 56935289

約数列:

[1, 3, 9, 11, 13, 27, 33, 39, 41, 99, 117, 121, 123, 143, 297, 351, 363, 369, 429, 451, 533, 1089, 1107, 1287, 1353, 1573, 1599, 1681, 3267, 3861, 4059, 4719, 4797, 4961, 5043, 5863, 12177, 14157, 14391, 14883, 15129, 17589, 18491, 21853, 42471, 44649, 45387, 52767, 55473, 64493, 65559, 133947, 158301, 166419, 193479, 196677, 203401, 240383, 499257, 580437, 590031, 610203, 721149, 1741311, 1830609, 2163447, 2644213, 5491827, 6490341, 7932639, 23797917, 71393751]

約数ペア:

[(1, 71393751), (3, 23797917), (9, 7932639), (11, 6490341), (13, 5491827), (27, 2644213), (33, 2163447), (39, 1830609), (41, 1741311), (99, 721149), (117, 610203), (121, 590031), (123, 580437), (143, 499257), (297, 240383), (351, 203401), (363, 196677), (369, 193479), (429, 166419), (451, 158301), (533, 133947), (1089, 65559), (1107, 64493), (1287, 55473), (1353, 52767), (1573, 45387), (1599, 44649), (1681, 42471), (3267, 21853), (3861, 18491), (4059, 17589), (4719, 15129), (4797, 14883), (4961, 14391), (5043, 14157), (5863, 12177)]