155016027

素因数分解:

$3^2\times {\mathrm{31}}^2\times {\mathrm{17923}}^1$

素因数の和:17991

約数の個数: 18

約数和(自身を含む): 231380916

約数和(自身を除く): 76364889

約数列:

[1, 3, 9, 31, 93, 279, 961, 2883, 8649, 17923, 53769, 161307, 555613, 1666839, 5000517, 17224003, 51672009, 155016027]

約数ペア:

[(1, 155016027), (3, 51672009), (9, 17224003), (31, 5000517), (93, 1666839), (279, 555613), (961, 161307), (2883, 53769), (8649, 17923)]