81403042

素因数分解:

$2^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{135221}}^1$

素因数の和:135273

約数の個数: 16

約数和(自身を含む): 142794432

約数和(自身を除く): 61391390

約数列:

[1, 2, 7, 14, 43, 86, 301, 602, 135221, 270442, 946547, 1893094, 5814503, 11629006, 40701521, 81403042]

約数ペア:

[(1, 81403042), (2, 40701521), (7, 11629006), (14, 5814503), (43, 1893094), (86, 946547), (301, 270442), (602, 135221)]