138866721

素因数分解:

$3^1\times 7^1\times {\mathrm{6612701}}^1$

素因数の和:6612711

約数の個数: 8

約数和(自身を含む): 211606464

約数和(自身を除く): 72739743

約数列:

[1, 3, 7, 21, 6612701, 19838103, 46288907, 138866721]

約数ペア:

[(1, 138866721), (3, 46288907), (7, 19838103), (21, 6612701)]