51761721

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{571}}^1$

素因数の和:693

約数の個数: 32

約数和(自身を含む): 78414336

約数和(自身を除く): 26652615

約数列:

[1, 3, 11, 33, 41, 67, 123, 201, 451, 571, 737, 1353, 1713, 2211, 2747, 6281, 8241, 18843, 23411, 30217, 38257, 70233, 90651, 114771, 257521, 420827, 772563, 1262481, 1568537, 4705611, 17253907, 51761721]

約数ペア:

[(1, 51761721), (3, 17253907), (11, 4705611), (33, 1568537), (41, 1262481), (67, 772563), (123, 420827), (201, 257521), (451, 114771), (571, 90651), (737, 70233), (1353, 38257), (1713, 30217), (2211, 23411), (2747, 18843), (6281, 8241)]