71231139

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{66509}}^1$

素因数の和:66539

約数の個数: 24

約数和(自身を含む): 124506720

約数和(自身を除く): 53275581

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 153, 357, 1071, 66509, 199527, 465563, 598581, 1130653, 1396689, 3391959, 4190067, 7914571, 10175877, 23743713, 71231139]

約数ペア:

[(1, 71231139), (3, 23743713), (7, 10175877), (9, 7914571), (17, 4190067), (21, 3391959), (51, 1396689), (63, 1130653), (119, 598581), (153, 465563), (357, 199527), (1071, 66509)]