289320723

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{21191}}^1$

素因数の和:21275

約数の個数: 24

約数和(自身を含む): 439691616

約数和(自身を除く): 150370893

約数列:

[1, 3, 9, 37, 41, 111, 123, 333, 369, 1517, 4551, 13653, 21191, 63573, 190719, 784067, 868831, 2352201, 2606493, 7056603, 7819479, 32146747, 96440241, 289320723]

約数ペア:

[(1, 289320723), (3, 96440241), (9, 32146747), (37, 7819479), (41, 7056603), (111, 2606493), (123, 2352201), (333, 868831), (369, 784067), (1517, 190719), (4551, 63573), (13653, 21191)]