209830467

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{8819}}^1$

素因数の和:8943

約数の個数: 32

約数和(自身を含む): 352235520

約数和(自身を除く): 142405053

約数列:

[1, 3, 7, 11, 21, 33, 77, 103, 231, 309, 721, 1133, 2163, 3399, 7931, 8819, 23793, 26457, 61733, 97009, 185199, 291027, 679063, 908357, 2037189, 2725071, 6358499, 9991927, 19075497, 29975781, 69943489, 209830467]

約数ペア:

[(1, 209830467), (3, 69943489), (7, 29975781), (11, 19075497), (21, 9991927), (33, 6358499), (77, 2725071), (103, 2037189), (231, 908357), (309, 679063), (721, 291027), (1133, 185199), (2163, 97009), (3399, 61733), (7931, 26457), (8819, 23793)]