18171477

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{197}}^1\times {\mathrm{277}}^1$

素因数の和:517

約数の個数: 24

約数和(自身を含む): 27191736

約数和(自身を除く): 9020259

約数列:

[1, 3, 9, 37, 111, 197, 277, 333, 591, 831, 1773, 2493, 7289, 10249, 21867, 30747, 54569, 65601, 92241, 163707, 491121, 2019053, 6057159, 18171477]

約数ペア:

[(1, 18171477), (3, 6057159), (9, 2019053), (37, 491121), (111, 163707), (197, 92241), (277, 65601), (333, 54569), (591, 30747), (831, 21867), (1773, 10249), (2493, 7289)]