28601781

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{293}}^1\times {\mathrm{2503}}^1$

素因数の和:2812

約数の個数: 16

約数和(自身を含む): 41225856

約数和(自身を除く): 12624075

約数列:

[1, 3, 13, 39, 293, 879, 2503, 3809, 7509, 11427, 32539, 97617, 733379, 2200137, 9533927, 28601781]

約数ペア:

[(1, 28601781), (3, 9533927), (13, 2200137), (39, 733379), (293, 97617), (879, 32539), (2503, 11427), (3809, 7509)]