127729021

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{20297}}^1$

素因数の和:20364

約数の個数: 16

約数和(自身を含む): 155888640

約数和(自身を除く): 28159619

約数列:

[1, 7, 29, 31, 203, 217, 899, 6293, 20297, 142079, 588613, 629207, 4120291, 4404449, 18247003, 127729021]

約数ペア:

[(1, 127729021), (7, 18247003), (29, 4404449), (31, 4120291), (203, 629207), (217, 588613), (899, 142079), (6293, 20297)]