205971555

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{7193}}^1$

素因数の和:7307

約数の個数: 32

約数和(自身を含む): 348074496

約数和(自身を除く): 142102941

約数列:

[1, 3, 5, 15, 23, 69, 83, 115, 249, 345, 415, 1245, 1909, 5727, 7193, 9545, 21579, 28635, 35965, 107895, 165439, 496317, 597019, 827195, 1791057, 2481585, 2985095, 8955285, 13731437, 41194311, 68657185, 205971555]

約数ペア:

[(1, 205971555), (3, 68657185), (5, 41194311), (15, 13731437), (23, 8955285), (69, 2985095), (83, 2481585), (115, 1791057), (249, 827195), (345, 597019), (415, 496317), (1245, 165439), (1909, 107895), (5727, 35965), (7193, 28635), (9545, 21579)]