12221187

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{1861}}^1$

素因数の和:2074

約数の個数: 16

約数和(自身を含む): 17875200

約数和(自身を除く): 5654013

約数列:

[1, 3, 11, 33, 199, 597, 1861, 2189, 5583, 6567, 20471, 61413, 370339, 1111017, 4073729, 12221187]

約数ペア:

[(1, 12221187), (3, 4073729), (11, 1111017), (33, 370339), (199, 61413), (597, 20471), (1861, 6567), (2189, 5583)]