28310139

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{21997}}^1$

素因数の和:22027

約数の個数: 24

約数和(自身を含む): 48043632

約数和(自身を除く): 19733493

約数列:

[1, 3, 9, 11, 13, 33, 39, 99, 117, 143, 429, 1287, 21997, 65991, 197973, 241967, 285961, 725901, 857883, 2177703, 2573649, 3145571, 9436713, 28310139]

約数ペア:

[(1, 28310139), (3, 9436713), (9, 3145571), (11, 2573649), (13, 2177703), (33, 857883), (39, 725901), (99, 285961), (117, 241967), (143, 197973), (429, 65991), (1287, 21997)]