81019269

素因数分解:

$3^2\times {\mathrm{73}}^1\times {\mathrm{127}}^1\times {\mathrm{971}}^1$

素因数の和:1177

約数の個数: 24

約数和(自身を含む): 119688192

約数和(自身を除く): 38668923

約数列:

[1, 3, 9, 73, 127, 219, 381, 657, 971, 1143, 2913, 8739, 9271, 27813, 70883, 83439, 123317, 212649, 369951, 637947, 1109853, 9002141, 27006423, 81019269]

約数ペア:

[(1, 81019269), (3, 27006423), (9, 9002141), (73, 1109853), (127, 637947), (219, 369951), (381, 212649), (657, 123317), (971, 83439), (1143, 70883), (2913, 27813), (8739, 9271)]