51757321

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{21683}}^1$

素因数の和:21732

約数の個数: 16

約数和(自身を含む): 66613248

約数和(自身を除く): 14855927

約数列:

[1, 7, 11, 31, 77, 217, 341, 2387, 21683, 151781, 238513, 672173, 1669591, 4705211, 7393903, 51757321]

約数ペア:

[(1, 51757321), (7, 7393903), (11, 4705211), (31, 1669591), (77, 672173), (217, 238513), (341, 151781), (2387, 21683)]