127136989

素因数分解:

$7^1\times {\mathrm{67}}^1\times {\mathrm{307}}^1\times {\mathrm{883}}^1$

素因数の和:1264

約数の個数: 16

約数和(自身を含む): 148115968

約数和(自身を除く): 20978979

約数列:

[1, 7, 67, 307, 469, 883, 2149, 6181, 20569, 59161, 143983, 271081, 414127, 1897567, 18162427, 127136989]

約数ペア:

[(1, 127136989), (7, 18162427), (67, 1897567), (307, 414127), (469, 271081), (883, 143983), (2149, 59161), (6181, 20569)]