28000785

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{109807}}^1$

素因数の和:109832

約数の個数: 16

約数和(自身を含む): 47437056

約数和(自身を除く): 19436271

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 109807, 329421, 549035, 1647105, 1866719, 5600157, 9333595, 28000785]

約数ペア:

[(1, 28000785), (3, 9333595), (5, 5600157), (15, 1866719), (17, 1647105), (51, 549035), (85, 329421), (255, 109807)]