81021765

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{491041}}^1$

素因数の和:491060

約数の個数: 16

約数和(自身を含む): 141420096

約数和(自身を除く): 60398331

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 491041, 1473123, 2455205, 5401451, 7365615, 16204353, 27007255, 81021765]

約数ペア:

[(1, 81021765), (3, 27007255), (5, 16204353), (11, 7365615), (15, 5401451), (33, 2455205), (55, 1473123), (165, 491041)]