128927277

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{387169}}^1$

素因数の和:387212

約数の個数: 12

約数和(自身を含む): 191261980

約数和(自身を除く): 62334703

約数列:

[1, 3, 9, 37, 111, 333, 387169, 1161507, 3484521, 14325253, 42975759, 128927277]

約数ペア:

[(1, 128927277), (3, 42975759), (9, 14325253), (37, 3484521), (111, 1161507), (333, 387169)]