247201209

素因数分解:

$3^2\times {\mathrm{59}}^1\times {\mathrm{109}}^1\times {\mathrm{4271}}^1$

素因数の和:4445

約数の個数: 24

約数和(自身を含む): 366537600

約数和(自身を除く): 119336391

約数列:

[1, 3, 9, 59, 109, 177, 327, 531, 981, 4271, 6431, 12813, 19293, 38439, 57879, 251989, 465539, 755967, 1396617, 2267901, 4189851, 27466801, 82400403, 247201209]

約数ペア:

[(1, 247201209), (3, 82400403), (9, 27466801), (59, 4189851), (109, 2267901), (177, 1396617), (327, 755967), (531, 465539), (981, 251989), (4271, 57879), (6431, 38439), (12813, 19293)]