205655107

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{220897}}^1$

素因数の和:220930

約数の個数: 12

約数和(自身を含む): 251823720

約数和(自身を除く): 46168613

約数列:

[1, 7, 19, 49, 133, 931, 220897, 1546279, 4197043, 10823953, 29379301, 205655107]

約数ペア:

[(1, 205655107), (7, 29379301), (19, 10823953), (49, 4197043), (133, 1546279), (931, 220897)]