67782141

素因数分解:

$3^2\times 7^2\times {\mathrm{153701}}^1$

素因数の和:153721

約数の個数: 18

約数和(自身を含む): 113893182

約数和(自身を除く): 46111041

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 153701, 461103, 1075907, 1383309, 3227721, 7531349, 9683163, 22594047, 67782141]

約数ペア:

[(1, 67782141), (3, 22594047), (7, 9683163), (9, 7531349), (21, 3227721), (49, 1383309), (63, 1075907), (147, 461103), (441, 153701)]