51721981

素因数分解:

${\mathrm{31}}^2\times {\mathrm{107}}^1\times {\mathrm{503}}^1$

素因数の和:672

約数の個数: 12

約数和(自身を含む): 54050976

約数和(自身を除く): 2328995

約数列:

[1, 31, 107, 503, 961, 3317, 15593, 53821, 102827, 483383, 1668451, 51721981]

約数ペア:

[(1, 51721981), (31, 1668451), (107, 483383), (503, 102827), (961, 53821), (3317, 15593)]