31872099

素因数分解:

$3^1\times 7^2\times {\mathrm{157}}^1\times {\mathrm{1381}}^1$

素因数の和:1555

約数の個数: 24

約数和(自身を含む): 49785168

約数和(自身を除く): 17913069

約数列:

[1, 3, 7, 21, 49, 147, 157, 471, 1099, 1381, 3297, 4143, 7693, 9667, 23079, 29001, 67669, 203007, 216817, 650451, 1517719, 4553157, 10624033, 31872099]

約数ペア:

[(1, 31872099), (3, 10624033), (7, 4553157), (21, 1517719), (49, 650451), (147, 216817), (157, 203007), (471, 67669), (1099, 29001), (1381, 23079), (3297, 9667), (4143, 7693)]