81775935

素因数分解:

$3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1\times {\mathrm{349}}^1$

素因数の和:528

約数の個数: 48

約数和(自身を含む): 146764800

約数和(自身を除く): 64988865

約数列:

[1, 3, 5, 9, 15, 41, 45, 123, 127, 205, 349, 369, 381, 615, 635, 1047, 1143, 1745, 1845, 1905, 3141, 5207, 5235, 5715, 14309, 15621, 15705, 26035, 42927, 44323, 46863, 71545, 78105, 128781, 132969, 214635, 221615, 234315, 398907, 643905, 664845, 1817243, 1994535, 5451729, 9086215, 16355187, 27258645, 81775935]

約数ペア:

[(1, 81775935), (3, 27258645), (5, 16355187), (9, 9086215), (15, 5451729), (41, 1994535), (45, 1817243), (123, 664845), (127, 643905), (205, 398907), (349, 234315), (369, 221615), (381, 214635), (615, 132969), (635, 128781), (1047, 78105), (1143, 71545), (1745, 46863), (1845, 44323), (1905, 42927), (3141, 26035), (5207, 15705), (5235, 15621), (5715, 14309)]