28516653

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{4057}}^1$

素因数の和:4145

約数の個数: 24

約数和(自身を含む): 45579456

約数和(自身を除く): 17062803

約数列:

[1, 3, 9, 11, 33, 71, 99, 213, 639, 781, 2343, 4057, 7029, 12171, 36513, 44627, 133881, 288047, 401643, 864141, 2592423, 3168517, 9505551, 28516653]

約数ペア:

[(1, 28516653), (3, 9505551), (9, 3168517), (11, 2592423), (33, 864141), (71, 401643), (99, 288047), (213, 133881), (639, 44627), (781, 36513), (2343, 12171), (4057, 7029)]