51285702987

素因数分解:

$3^4\times {\mathrm{4157}}^1\times {\mathrm{152311}}^1$

素因数の和:156480

約数の個数: 20

約数和(自身を含む): 76630908816

約数和(自身を除く): 25345205829

約数列:

[1, 3, 9, 27, 81, 4157, 12471, 37413, 112239, 152311, 336717, 456933, 1370799, 4112397, 12337191, 633156827, 1899470481, 5698411443, 17095234329, 51285702987]

約数ペア:

[(1, 51285702987), (3, 17095234329), (9, 5698411443), (27, 1899470481), (81, 633156827), (4157, 12337191), (12471, 4112397), (37413, 1370799), (112239, 456933), (152311, 336717)]