39721689

素因数分解:

$3^2\times 7^1\times {\mathrm{131}}^1\times {\mathrm{4813}}^1$

素因数の和:4957

約数の個数: 24

約数和(自身を含む): 66086592

約数和(自身を除く): 26364903

約数列:

[1, 3, 7, 9, 21, 63, 131, 393, 917, 1179, 2751, 4813, 8253, 14439, 33691, 43317, 101073, 303219, 630503, 1891509, 4413521, 5674527, 13240563, 39721689]

約数ペア:

[(1, 39721689), (3, 13240563), (7, 5674527), (9, 4413521), (21, 1891509), (63, 630503), (131, 303219), (393, 101073), (917, 43317), (1179, 33691), (2751, 14439), (4813, 8253)]