28778475

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{34883}}^1$

素因数の和:34907

約数の個数: 24

約数和(自身を含む): 51907392

約数和(自身を除く): 23128917

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 75, 165, 275, 825, 34883, 104649, 174415, 383713, 523245, 872075, 1151139, 1918565, 2616225, 5755695, 9592825, 28778475]

約数ペア:

[(1, 28778475), (3, 9592825), (5, 5755695), (11, 2616225), (15, 1918565), (25, 1151139), (33, 872075), (55, 523245), (75, 383713), (165, 174415), (275, 104649), (825, 34883)]