208430187

素因数分解:

$3^1\times 7^1\times {\mathrm{1381}}^1\times {\mathrm{7187}}^1$

素因数の和:8578

約数の個数: 16

約数和(自身を含む): 317882112

約数和(自身を除く): 109451925

約数列:

[1, 3, 7, 21, 1381, 4143, 7187, 9667, 21561, 29001, 50309, 150927, 9925247, 29775741, 69476729, 208430187]

約数ペア:

[(1, 208430187), (3, 69476729), (7, 29775741), (21, 9925247), (1381, 150927), (4143, 50309), (7187, 29001), (9667, 21561)]