201991345929

素因数分解:

$3^2\times {\mathrm{74377}}^1\times {\mathrm{301753}}^1$

素因数の和:376136

約数の個数: 12

約数和(自身を含む): 291770167156

約数和(自身を除く): 89778821227

約数列:

[1, 3, 9, 74377, 223131, 301753, 669393, 905259, 2715777, 22443482881, 67330448643, 201991345929]

約数ペア:

[(1, 201991345929), (3, 67330448643), (9, 22443482881), (74377, 2715777), (223131, 905259), (301753, 669393)]