2011294887

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1348957}}^1$

素因数の和:1349038

約数の個数: 16

約数和(自身を含む): 3107999232

約数和(自身を除く): 1096704345

約数列:

[1, 3, 7, 21, 71, 213, 497, 1491, 1348957, 4046871, 9442699, 28328097, 95775947, 287327841, 670431629, 2011294887]

約数ペア:

[(1, 2011294887), (3, 670431629), (7, 287327841), (21, 95775947), (71, 28328097), (213, 9442699), (497, 4046871), (1491, 1348957)]