216810495

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{438001}}^1$

素因数の和:438023

約数の個数: 24

約数和(自身を含む): 409969872

約数和(自身を除く): 193159377

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 165, 495, 438001, 1314003, 2190005, 3942009, 4818011, 6570015, 14454033, 19710045, 24090055, 43362099, 72270165, 216810495]

約数ペア:

[(1, 216810495), (3, 72270165), (5, 43362099), (9, 24090055), (11, 19710045), (15, 14454033), (33, 6570015), (45, 4818011), (55, 3942009), (99, 2190005), (165, 1314003), (495, 438001)]