128575947

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{337}}^1\times {\mathrm{7481}}^1$

素因数の和:7838

約数の個数: 16

約数和(自身を含む): 182081952

約数和(自身を除く): 53506005

約数列:

[1, 3, 17, 51, 337, 1011, 5729, 7481, 17187, 22443, 127177, 381531, 2521097, 7563291, 42858649, 128575947]

約数ペア:

[(1, 128575947), (3, 42858649), (17, 7563291), (51, 2521097), (337, 381531), (1011, 127177), (5729, 22443), (7481, 17187)]