16653771

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{1871}}^1$

素因数の和:1943

約数の個数: 24

約数和(自身を含む): 25698816

約数和(自身を除く): 9045045

約数列:

[1, 3, 9, 23, 43, 69, 129, 207, 387, 989, 1871, 2967, 5613, 8901, 16839, 43033, 80453, 129099, 241359, 387297, 724077, 1850419, 5551257, 16653771]

約数ペア:

[(1, 16653771), (3, 5551257), (9, 1850419), (23, 724077), (43, 387297), (69, 241359), (129, 129099), (207, 80453), (387, 43033), (989, 16839), (1871, 8901), (2967, 5613)]