55557891

素因数分解:

$3^2\times {\mathrm{73}}^1\times {\mathrm{103}}^1\times {\mathrm{821}}^1$

素因数の和:1003

約数の個数: 24

約数和(自身を含む): 82239456

約数和(自身を除く): 26681565

約数列:

[1, 3, 9, 73, 103, 219, 309, 657, 821, 927, 2463, 7389, 7519, 22557, 59933, 67671, 84563, 179799, 253689, 539397, 761067, 6173099, 18519297, 55557891]

約数ペア:

[(1, 55557891), (3, 18519297), (9, 6173099), (73, 761067), (103, 539397), (219, 253689), (309, 179799), (657, 84563), (821, 67671), (927, 59933), (2463, 22557), (7389, 7519)]