128912.0000000

素因数分解:

$3^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{2539}}^1$

素因数の和:2650

約数の個数: 16

約数和(自身を含む): 8290560

約数和(自身を除く): 2905341

約数列:

[1, 3, 7, 21, 101, 303, 707, 2121, 2539, 7617, 17773, 53319, 256439, 769317, 1795073, 5385219]

約数ペア:

[(1, 5385219), (3, 1795073), (7, 769317), (21, 256439), (101, 53319), (303, 17773), (707, 7617), (2121, 2539)]