388996971

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{443}}^1$

素因数の和:568

約数の個数: 48

約数和(自身を含む): 595244160

約数和(自身を除く): 206247189

約数列:

[1, 3, 11, 33, 41, 59, 121, 123, 177, 363, 443, 451, 649, 1329, 1353, 1947, 2419, 4873, 4961, 7139, 7257, 14619, 14883, 18163, 21417, 26137, 26609, 53603, 54489, 78411, 79827, 160809, 199793, 287507, 292699, 599379, 862521, 878097, 1071617, 2197723, 3162577, 3214851, 6593169, 9487731, 11787787, 35363361, 129665657, 388996971]

約数ペア:

[(1, 388996971), (3, 129665657), (11, 35363361), (33, 11787787), (41, 9487731), (59, 6593169), (121, 3214851), (123, 3162577), (177, 2197723), (363, 1071617), (443, 878097), (451, 862521), (649, 599379), (1329, 292699), (1353, 287507), (1947, 199793), (2419, 160809), (4873, 79827), (4961, 78411), (7139, 54489), (7257, 53603), (14619, 26609), (14883, 26137), (18163, 21417)]