2016019971

素因数分解:

$3^2\times 7^1\times {\mathrm{127}}^1\times {\mathrm{251971}}^1$

素因数の和:252111

約数の個数: 24

約数和(自身を含む): 3354251264

約数和(自身を除く): 1338231293

約数列:

[1, 3, 7, 9, 21, 63, 127, 381, 889, 1143, 2667, 8001, 251971, 755913, 1763797, 2267739, 5291391, 15874173, 32000317, 96000951, 224002219, 288002853, 672006657, 2016019971]

約数ペア:

[(1, 2016019971), (3, 672006657), (7, 288002853), (9, 224002219), (21, 96000951), (63, 32000317), (127, 15874173), (381, 5291391), (889, 2267739), (1143, 1763797), (2667, 755913), (8001, 251971)]