1642869

素因数分解:

$3^3\times {\mathrm{71}}^1\times {\mathrm{857}}^1$

素因数の和:937

約数の個数: 16

約数和(自身を含む): 2471040

約数和(自身を除く): 828171

約数列:

[1, 3, 9, 27, 71, 213, 639, 857, 1917, 2571, 7713, 23139, 60847, 182541, 547623, 1642869]

約数ペア:

[(1, 1642869), (3, 547623), (9, 182541), (27, 60847), (71, 23139), (213, 7713), (639, 2571), (857, 1917)]