28684815

素因数分解:

$3^1\times 5^1\times {\mathrm{269}}^1\times {\mathrm{7109}}^1$

素因数の和:7386

約数の個数: 16

約数和(自身を含む): 46072800

約数和(自身を除く): 17387985

約数列:

[1, 3, 5, 15, 269, 807, 1345, 4035, 7109, 21327, 35545, 106635, 1912321, 5736963, 9561605, 28684815]

約数ペア:

[(1, 28684815), (3, 9561605), (5, 5736963), (15, 1912321), (269, 106635), (807, 35545), (1345, 21327), (4035, 7109)]