51720393

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{569}}^1\times {\mathrm{739}}^1$

素因数の和:1352

約数の個数: 16

約数和(自身を含む): 70862400

約数和(自身を除く): 19142007

約数列:

[1, 3, 41, 123, 569, 739, 1707, 2217, 23329, 30299, 69987, 90897, 420491, 1261473, 17240131, 51720393]

約数ペア:

[(1, 51720393), (3, 17240131), (41, 1261473), (123, 420491), (569, 90897), (739, 69987), (1707, 30299), (2217, 23329)]