664455

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{4027}}^1$

素因数の和:4046

約数の個数: 16

約数和(自身を含む): 1160064

約数和(自身を除く): 495609

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 4027, 12081, 20135, 44297, 60405, 132891, 221485, 664455]

約数ペア:

[(1, 664455), (3, 221485), (5, 132891), (11, 60405), (15, 44297), (33, 20135), (55, 12081), (165, 4027)]