28720065

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{174061}}^1$

素因数の和:174080

約数の個数: 16

約数和(自身を含む): 50129856

約数和(自身を除く): 21409791

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 174061, 522183, 870305, 1914671, 2610915, 5744013, 9573355, 28720065]

約数ペア:

[(1, 28720065), (3, 9573355), (5, 5744013), (11, 2610915), (15, 1914671), (33, 870305), (55, 522183), (165, 174061)]