251011299

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{57191}}^1$

素因数の和:57231

約数の個数: 32

約数和(自身を含む): 439234560

約数和(自身を除く): 188223261

約数列:

[1, 3, 7, 11, 19, 21, 33, 57, 77, 133, 209, 231, 399, 627, 1463, 4389, 57191, 171573, 400337, 629101, 1086629, 1201011, 1887303, 3259887, 4403707, 7606403, 11952919, 13211121, 22819209, 35858757, 83670433, 251011299]

約数ペア:

[(1, 251011299), (3, 83670433), (7, 35858757), (11, 22819209), (19, 13211121), (21, 11952919), (33, 7606403), (57, 4403707), (77, 3259887), (133, 1887303), (209, 1201011), (231, 1086629), (399, 629101), (627, 400337), (1463, 171573), (4389, 57191)]