70428141

素因数分解:

$3^2\times 7^2\times {\mathrm{159701}}^1$

素因数の和:159721

約数の個数: 18

約数和(自身を含む): 118339182

約数和(自身を除く): 47911041

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 159701, 479103, 1117907, 1437309, 3353721, 7825349, 10061163, 23476047, 70428141]

約数ペア:

[(1, 70428141), (3, 23476047), (7, 10061163), (9, 7825349), (21, 3353721), (49, 1437309), (63, 1117907), (147, 479103), (441, 159701)]