28091085

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{170249}}^1$

素因数の和:170268

約数の個数: 16

約数和(自身を含む): 49032000

約数和(自身を除く): 20940915

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 170249, 510747, 851245, 1872739, 2553735, 5618217, 9363695, 28091085]

約数ペア:

[(1, 28091085), (3, 9363695), (5, 5618217), (11, 2553735), (15, 1872739), (33, 851245), (55, 510747), (165, 170249)]