81431574

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{1938847}}^1$

素因数の和:1938859

約数の個数: 16

約数和(自身を含む): 186129408

約数和(自身を除く): 104697834

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 1938847, 3877694, 5816541, 11633082, 13571929, 27143858, 40715787, 81431574]

約数ペア:

[(1, 81431574), (2, 40715787), (3, 27143858), (6, 13571929), (7, 11633082), (14, 5816541), (21, 3877694), (42, 1938847)]