12897143

素因数分解:

$7^3\times {\mathrm{19}}^1\times {\mathrm{1979}}^1$

素因数の和:2019

約数の個数: 16

約数和(自身を含む): 15840000

約数和(自身を除く): 2942857

約数列:

[1, 7, 19, 49, 133, 343, 931, 1979, 6517, 13853, 37601, 96971, 263207, 678797, 1842449, 12897143]

約数ペア:

[(1, 12897143), (7, 1842449), (19, 678797), (49, 263207), (133, 96971), (343, 37601), (931, 13853), (1979, 6517)]