80347869

素因数分解:

$3^4\times 7^1\times {\mathrm{141707}}^1$

素因数の和:141726

約数の個数: 20

約数和(自身を含む): 137173344

約数和(自身を除く): 56825475

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 141707, 425121, 991949, 1275363, 2975847, 3826089, 8927541, 11478267, 26782623, 80347869]

約数ペア:

[(1, 80347869), (3, 26782623), (7, 11478267), (9, 8927541), (21, 3826089), (27, 2975847), (63, 1275363), (81, 991949), (189, 425121), (567, 141707)]