778895997

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{79}}^1\times {\mathrm{157}}^1\times {\mathrm{173}}^1$

素因数の和:434

約数の個数: 48

約数和(自身を含む): 1170059520

約数和(自身を除く): 391163523

約数列:

[1, 3, 11, 33, 79, 121, 157, 173, 237, 363, 471, 519, 869, 1727, 1903, 2607, 5181, 5709, 9559, 12403, 13667, 18997, 20933, 27161, 28677, 37209, 41001, 56991, 62799, 81483, 136433, 150337, 298771, 409299, 451011, 896313, 1500763, 1653707, 2145719, 3286481, 4502289, 4961121, 6437157, 9859443, 23602909, 70808727, 259631999, 778895997]

約数ペア:

[(1, 778895997), (3, 259631999), (11, 70808727), (33, 23602909), (79, 9859443), (121, 6437157), (157, 4961121), (173, 4502289), (237, 3286481), (363, 2145719), (471, 1653707), (519, 1500763), (869, 896313), (1727, 451011), (1903, 409299), (2607, 298771), (5181, 150337), (5709, 136433), (9559, 81483), (12403, 62799), (13667, 56991), (18997, 41001), (20933, 37209), (27161, 28677)]