129071257

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{6173}}^1$

素因数の和:6312

約数の個数: 16

約数和(自身を含む): 154103040

約数和(自身を除く): 25031783

約数列:

[1, 7, 29, 103, 203, 721, 2987, 6173, 20909, 43211, 179017, 635819, 1253119, 4450733, 18438751, 129071257]

約数ペア:

[(1, 129071257), (7, 18438751), (29, 4450733), (103, 1253119), (203, 635819), (721, 179017), (2987, 43211), (6173, 20909)]