78666903

素因数分解:

$3^3\times 7^2\times {\mathrm{97}}^1\times {\mathrm{613}}^1$

素因数の和:733

約数の個数: 48

約数和(自身を含む): 137192160

約数和(自身を除く): 58525257

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 97, 147, 189, 291, 441, 613, 679, 873, 1323, 1839, 2037, 2619, 4291, 4753, 5517, 6111, 12873, 14259, 16551, 18333, 30037, 38619, 42777, 59461, 90111, 115857, 128331, 178383, 270333, 416227, 535149, 810999, 1248681, 1605447, 2913589, 3746043, 8740767, 11238129, 26222301, 78666903]

約数ペア:

[(1, 78666903), (3, 26222301), (7, 11238129), (9, 8740767), (21, 3746043), (27, 2913589), (49, 1605447), (63, 1248681), (97, 810999), (147, 535149), (189, 416227), (291, 270333), (441, 178383), (613, 128331), (679, 115857), (873, 90111), (1323, 59461), (1839, 42777), (2037, 38619), (2619, 30037), (4291, 18333), (4753, 16551), (5517, 14259), (6111, 12873)]