28917297

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{56369}}^1$

素因数の和:56397

約数の個数: 16

約数和(自身を含む): 45096000

約数和(自身を除く): 16178703

約数列:

[1, 3, 9, 19, 27, 57, 171, 513, 56369, 169107, 507321, 1071011, 1521963, 3213033, 9639099, 28917297]

約数ペア:

[(1, 28917297), (3, 9639099), (9, 3213033), (19, 1521963), (27, 1071011), (57, 507321), (171, 169107), (513, 56369)]