165703989

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{197}}^1\times {\mathrm{359}}^1$

素因数の和:641

約数の個数: 32

約数和(自身を含む): 246343680

約数和(自身を除く): 80639691

約数列:

[1, 3, 11, 33, 71, 197, 213, 359, 591, 781, 1077, 2167, 2343, 3949, 6501, 11847, 13987, 25489, 41961, 70723, 76467, 153857, 212169, 280379, 461571, 777953, 841137, 2333859, 5021333, 15063999, 55234663, 165703989]

約数ペア:

[(1, 165703989), (3, 55234663), (11, 15063999), (33, 5021333), (71, 2333859), (197, 841137), (213, 777953), (359, 461571), (591, 280379), (781, 212169), (1077, 153857), (2167, 76467), (2343, 70723), (3949, 41961), (6501, 25489), (11847, 13987)]