209542641

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{907111}}^1$

素因数の和:907132

約数の個数: 16

約数和(自身を含む): 348331008

約数和(自身を除く): 138788367

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 907111, 2721333, 6349777, 9978221, 19049331, 29934663, 69847547, 209542641]

約数ペア:

[(1, 209542641), (3, 69847547), (7, 29934663), (11, 19049331), (21, 9978221), (33, 6349777), (77, 2721333), (231, 907111)]