28085865

素因数分解:

$3^1\times 5^1\times {\mathrm{97}}^2\times {\mathrm{199}}^1$

素因数の和:401

約数の個数: 24

約数和(自身を含む): 45633600

約数和(自身を除く): 17547735

約数列:

[1, 3, 5, 15, 97, 199, 291, 485, 597, 995, 1455, 2985, 9409, 19303, 28227, 47045, 57909, 96515, 141135, 289545, 1872391, 5617173, 9361955, 28085865]

約数ペア:

[(1, 28085865), (3, 9361955), (5, 5617173), (15, 1872391), (97, 289545), (199, 141135), (291, 96515), (485, 57909), (597, 47045), (995, 28227), (1455, 19303), (2985, 9409)]