78528879

素因数分解:

$3^3\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{43}}^2$

素因数の和:130

約数の個数: 72

約数和(自身を含む): 140990640

約数和(自身を除く): 62461761

約数列:

[1, 3, 9, 11, 13, 27, 33, 39, 43, 99, 117, 121, 129, 143, 297, 351, 363, 387, 429, 473, 559, 1089, 1161, 1287, 1419, 1573, 1677, 1849, 3267, 3861, 4257, 4719, 5031, 5203, 5547, 6149, 12771, 14157, 15093, 15609, 16641, 18447, 20339, 24037, 42471, 46827, 49923, 55341, 61017, 67639, 72111, 140481, 166023, 183051, 202917, 216333, 223729, 264407, 549153, 608751, 648999, 671187, 793221, 1826253, 2013561, 2379663, 2908477, 6040683, 7138989, 8725431, 26176293, 78528879]

約数ペア:

[(1, 78528879), (3, 26176293), (9, 8725431), (11, 7138989), (13, 6040683), (27, 2908477), (33, 2379663), (39, 2013561), (43, 1826253), (99, 793221), (117, 671187), (121, 648999), (129, 608751), (143, 549153), (297, 264407), (351, 223729), (363, 216333), (387, 202917), (429, 183051), (473, 166023), (559, 140481), (1089, 72111), (1161, 67639), (1287, 61017), (1419, 55341), (1573, 49923), (1677, 46827), (1849, 42471), (3267, 24037), (3861, 20339), (4257, 18447), (4719, 16641), (5031, 15609), (5203, 15093), (5547, 14157), (6149, 12771)]