121570519

素因数分解:

$7^3\times {\mathrm{17}}^1\times {\mathrm{20849}}^1$

素因数の和:20887

約数の個数: 16

約数和(自身を含む): 150120000

約数和(自身を除く): 28549481

約数列:

[1, 7, 17, 49, 119, 343, 833, 5831, 20849, 145943, 354433, 1021601, 2481031, 7151207, 17367217, 121570519]

約数ペア:

[(1, 121570519), (7, 17367217), (17, 7151207), (49, 2481031), (119, 1021601), (343, 354433), (833, 145943), (5831, 20849)]