28085385

素因数分解:

$3^1\times 5^1\times {\mathrm{1201}}^1\times {\mathrm{1559}}^1$

素因数の和:2768

約数の個数: 16

約数和(自身を含む): 45002880

約数和(自身を除く): 16917495

約数列:

[1, 3, 5, 15, 1201, 1559, 3603, 4677, 6005, 7795, 18015, 23385, 1872359, 5617077, 9361795, 28085385]

約数ペア:

[(1, 28085385), (3, 9361795), (5, 5617077), (15, 1872359), (1201, 23385), (1559, 18015), (3603, 7795), (4677, 6005)]