2445778881

素因数分解:

$3^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{449}}^1\times {\mathrm{739}}^1$

素因数の和:1220

約数の個数: 80

約数和(自身を含む): 4512816000

約数和(自身を除く): 2067037119

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 81, 91, 117, 189, 273, 351, 449, 567, 739, 819, 1053, 1347, 2217, 2457, 3143, 4041, 5173, 5837, 6651, 7371, 9429, 9607, 12123, 15519, 17511, 19953, 28287, 28821, 36369, 40859, 46557, 52533, 59859, 67249, 84861, 86463, 122577, 139671, 157599, 201747, 254583, 259389, 331811, 367731, 419013, 472797, 605241, 778167, 995433, 1103193, 1815723, 2322677, 2986299, 3309579, 4313543, 5447169, 6968031, 8958897, 12940629, 20904093, 26876691, 30194801, 38821887, 62712279, 90584403, 116465661, 188136837, 271753209, 349396983, 815259627, 2445778881]

約数ペア:

[(1, 2445778881), (3, 815259627), (7, 349396983), (9, 271753209), (13, 188136837), (21, 116465661), (27, 90584403), (39, 62712279), (63, 38821887), (81, 30194801), (91, 26876691), (117, 20904093), (189, 12940629), (273, 8958897), (351, 6968031), (449, 5447169), (567, 4313543), (739, 3309579), (819, 2986299), (1053, 2322677), (1347, 1815723), (2217, 1103193), (2457, 995433), (3143, 778167), (4041, 605241), (5173, 472797), (5837, 419013), (6651, 367731), (7371, 331811), (9429, 259389), (9607, 254583), (12123, 201747), (15519, 157599), (17511, 139671), (19953, 122577), (28287, 86463), (28821, 84861), (36369, 67249), (40859, 59859), (46557, 52533)]