28057809

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{409}}^1\times {\mathrm{1759}}^1$

素因数の和:2184

約数の個数: 16

約数和(自身を含む): 40409600

約数和(自身を除く): 12351791

約数列:

[1, 3, 13, 39, 409, 1227, 1759, 5277, 5317, 15951, 22867, 68601, 719431, 2158293, 9352603, 28057809]

約数ペア:

[(1, 28057809), (3, 9352603), (13, 2158293), (39, 719431), (409, 68601), (1227, 22867), (1759, 15951), (5277, 5317)]