80999559

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{97}}^1$

素因数の和:248

約数の個数: 48

約数和(自身を含む): 126706944

約数和(自身を除く): 45707385

約数列:

[1, 3, 9, 31, 41, 73, 93, 97, 123, 219, 279, 291, 369, 657, 873, 1271, 2263, 2993, 3007, 3813, 3977, 6789, 7081, 8979, 9021, 11439, 11931, 20367, 21243, 26937, 27063, 35793, 63729, 92783, 123287, 219511, 278349, 290321, 369861, 658533, 835047, 870963, 1109583, 1975599, 2612889, 8999951, 26999853, 80999559]

約数ペア:

[(1, 80999559), (3, 26999853), (9, 8999951), (31, 2612889), (41, 1975599), (73, 1109583), (93, 870963), (97, 835047), (123, 658533), (219, 369861), (279, 290321), (291, 278349), (369, 219511), (657, 123287), (873, 92783), (1271, 63729), (2263, 35793), (2993, 27063), (3007, 26937), (3813, 21243), (3977, 20367), (6789, 11931), (7081, 11439), (8979, 9021)]