51703587

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{43}}^2\times {\mathrm{239}}^1$

素因数の和:344

約数の個数: 36

約数和(自身を含む): 82686240

約数和(自身を除く): 30982653

約数列:

[1, 3, 9, 13, 39, 43, 117, 129, 239, 387, 559, 717, 1677, 1849, 2151, 3107, 5031, 5547, 9321, 10277, 16641, 24037, 27963, 30831, 72111, 92493, 133601, 216333, 400803, 441911, 1202409, 1325733, 3977199, 5744843, 17234529, 51703587]

約数ペア:

[(1, 51703587), (3, 17234529), (9, 5744843), (13, 3977199), (39, 1325733), (43, 1202409), (117, 441911), (129, 400803), (239, 216333), (387, 133601), (559, 92493), (717, 72111), (1677, 30831), (1849, 27963), (2151, 24037), (3107, 16641), (5031, 10277), (5547, 9321)]