127431297

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{919}}^1$

素因数の和:1034

約数の個数: 48

約数和(自身を含む): 220446720

約数和(自身を除く): 93015423

約数列:

[1, 3, 7, 9, 21, 31, 63, 71, 93, 213, 217, 279, 497, 639, 651, 919, 1491, 1953, 2201, 2757, 4473, 6433, 6603, 8271, 15407, 19299, 19809, 28489, 46221, 57897, 65249, 85467, 138663, 195747, 199423, 256401, 456743, 587241, 598269, 1370229, 1794807, 2022719, 4110687, 6068157, 14159033, 18204471, 42477099, 127431297]

約数ペア:

[(1, 127431297), (3, 42477099), (7, 18204471), (9, 14159033), (21, 6068157), (31, 4110687), (63, 2022719), (71, 1794807), (93, 1370229), (213, 598269), (217, 587241), (279, 456743), (497, 256401), (639, 199423), (651, 195747), (919, 138663), (1491, 85467), (1953, 65249), (2201, 57897), (2757, 46221), (4473, 28489), (6433, 19809), (6603, 19299), (8271, 15407)]