51688959

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{2161}}^1$

素因数の和:2255

約数の個数: 32

約数和(自身を含む): 84681216

約数和(自身を除く): 32992257

約数列:

[1, 3, 7, 17, 21, 51, 67, 119, 201, 357, 469, 1139, 1407, 2161, 3417, 6483, 7973, 15127, 23919, 36737, 45381, 110211, 144787, 257159, 434361, 771477, 1013509, 2461379, 3040527, 7384137, 17229653, 51688959]

約数ペア:

[(1, 51688959), (3, 17229653), (7, 7384137), (17, 3040527), (21, 2461379), (51, 1013509), (67, 771477), (119, 434361), (201, 257159), (357, 144787), (469, 110211), (1139, 45381), (1407, 36737), (2161, 23919), (3417, 15127), (6483, 7973)]