520055523

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{1987}}^1\times {\mathrm{2237}}^1$

素因数の和:4243

約数の個数: 24

約数和(自身を含む): 809744208

約数和(自身を除く): 289688685

約数列:

[1, 3, 9, 13, 39, 117, 1987, 2237, 5961, 6711, 17883, 20133, 25831, 29081, 77493, 87243, 232479, 261729, 4444919, 13334757, 40004271, 57783947, 173351841, 520055523]

約数ペア:

[(1, 520055523), (3, 173351841), (9, 57783947), (13, 40004271), (39, 13334757), (117, 4444919), (1987, 261729), (2237, 232479), (5961, 87243), (6711, 77493), (17883, 29081), (20133, 25831)]