27980805

素因数分解:

$3^1\times 5^1\times {\mathrm{997}}^1\times {\mathrm{1871}}^1$

素因数の和:2876

約数の個数: 16

約数和(自身を含む): 44838144

約数和(自身を除く): 16857339

約数列:

[1, 3, 5, 15, 997, 1871, 2991, 4985, 5613, 9355, 14955, 28065, 1865387, 5596161, 9326935, 27980805]

約数ペア:

[(1, 27980805), (3, 9326935), (5, 5596161), (15, 1865387), (997, 28065), (1871, 14955), (2991, 9355), (4985, 5613)]