158972319

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{21997}}^1$

素因数の和:22087

約数の個数: 24

約数和(自身を含む): 253944912

約数和(自身を除く): 94972593

約数列:

[1, 3, 9, 11, 33, 73, 99, 219, 657, 803, 2409, 7227, 21997, 65991, 197973, 241967, 725901, 1605781, 2177703, 4817343, 14452029, 17663591, 52990773, 158972319]

約数ペア:

[(1, 158972319), (3, 52990773), (9, 17663591), (11, 14452029), (33, 4817343), (73, 2177703), (99, 1605781), (219, 725901), (657, 241967), (803, 197973), (2409, 65991), (7227, 21997)]