51581751

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{461}}^1$

素因数の和:647

約数の個数: 32

約数和(自身を含む): 78650880

約数和(自身を除く): 27069129

約数列:

[1, 3, 13, 19, 39, 57, 151, 247, 453, 461, 741, 1383, 1963, 2869, 5889, 5993, 8607, 8759, 17979, 26277, 37297, 69611, 111891, 113867, 208833, 341601, 904943, 1322609, 2714829, 3967827, 17193917, 51581751]

約数ペア:

[(1, 51581751), (3, 17193917), (13, 3967827), (19, 2714829), (39, 1322609), (57, 904943), (151, 341601), (247, 208833), (453, 113867), (461, 111891), (741, 69611), (1383, 37297), (1963, 26277), (2869, 17979), (5889, 8759), (5993, 8607)]