81661305

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{494917}}^1$

素因数の和:494936

約数の個数: 16

約数和(自身を含む): 142536384

約数和(自身を除く): 60875079

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 494917, 1484751, 2474585, 5444087, 7423755, 16332261, 27220435, 81661305]

約数ペア:

[(1, 81661305), (3, 27220435), (5, 16332261), (11, 7423755), (15, 5444087), (33, 2474585), (55, 1484751), (165, 494917)]