128216051721

素因数分解:

$3^2\times {\mathrm{59}}^1\times {\mathrm{241461491}}^1$

素因数の和:241461556

約数の個数: 12

約数和(自身を含む): 188339963760

約数和(自身を除く): 60123912039

約数列:

[1, 3, 9, 59, 177, 531, 241461491, 724384473, 2173153419, 14246227969, 42738683907, 128216051721]

約数ペア:

[(1, 128216051721), (3, 42738683907), (9, 14246227969), (59, 2173153419), (177, 724384473), (531, 241461491)]