81272107

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{193}}^1\times {\mathrm{1399}}^1$

素因数の和:1642

約数の個数: 16

約数和(自身を含む): 95603200

約数和(自身を除く): 14331093

約数列:

[1, 7, 43, 193, 301, 1351, 1399, 8299, 9793, 58093, 60157, 270007, 421099, 1890049, 11610301, 81272107]

約数ペア:

[(1, 81272107), (7, 11610301), (43, 1890049), (193, 421099), (301, 270007), (1351, 60157), (1399, 58093), (8299, 9793)]