81891315

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{165437}}^1$

素因数の和:165459

約数の個数: 24

約数和(自身を含む): 154849968

約数和(自身を除く): 72958653

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 165, 495, 165437, 496311, 827185, 1488933, 1819807, 2481555, 5459421, 7444665, 9099035, 16378263, 27297105, 81891315]

約数ペア:

[(1, 81891315), (3, 27297105), (5, 16378263), (9, 9099035), (11, 7444665), (15, 5459421), (33, 2481555), (45, 1819807), (55, 1488933), (99, 827185), (165, 496311), (495, 165437)]