157020721

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{64591}}^1$

素因数の和:64632

約数の個数: 16

約数和(自身を含む): 195326208

約数和(自身を除く): 38305487

約数列:

[1, 11, 13, 17, 143, 187, 221, 2431, 64591, 710501, 839683, 1098047, 9236513, 12078517, 14274611, 157020721]

約数ペア:

[(1, 157020721), (11, 14274611), (13, 12078517), (17, 9236513), (143, 1098047), (187, 839683), (221, 710501), (2431, 64591)]