51885039

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{53}}^2\times {\mathrm{131}}^1$

素因数の和:287

約数の個数: 24

約数和(自身を含む): 72559872

約数和(自身を除く): 20674833

約数列:

[1, 3, 47, 53, 131, 141, 159, 393, 2491, 2809, 6157, 6943, 7473, 8427, 18471, 20829, 132023, 326321, 367979, 396069, 978963, 1103937, 17295013, 51885039]

約数ペア:

[(1, 51885039), (3, 17295013), (47, 1103937), (53, 978963), (131, 396069), (141, 367979), (159, 326321), (393, 132023), (2491, 20829), (2809, 18471), (6157, 8427), (6943, 7473)]