209015545

素因数分解:

$5^1\times {\mathrm{67}}^1\times {\mathrm{211}}^1\times {\mathrm{2957}}^1$

素因数の和:3240

約数の個数: 16

約数和(自身を含む): 255855168

約数和(自身を除く): 46839623

約数列:

[1, 5, 67, 211, 335, 1055, 2957, 14137, 14785, 70685, 198119, 623927, 990595, 3119635, 41803109, 209015545]

約数ペア:

[(1, 209015545), (5, 41803109), (67, 3119635), (211, 990595), (335, 623927), (1055, 198119), (2957, 70685), (14137, 14785)]