999777798

素因数分解:

$2^1\times 3^2\times {\mathrm{55543211}}^1$

素因数の和:55543219

約数の個数: 12

約数和(自身を含む): 2166185268

約数和(自身を除く): 1166407470

約数列:

[1, 2, 3, 6, 9, 18, 55543211, 111086422, 166629633, 333259266, 499888899, 999777798]

約数ペア:

[(1, 999777798), (2, 499888899), (3, 333259266), (6, 166629633), (9, 111086422), (18, 55543211)]