81617778

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{412211}}^1$

素因数の和:412230

約数の個数: 24

約数和(自身を含む): 192915216

約数和(自身を除く): 111297438

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 198, 412211, 824422, 1236633, 2473266, 3709899, 4534321, 7419798, 9068642, 13602963, 27205926, 40808889, 81617778]

約数ペア:

[(1, 81617778), (2, 40808889), (3, 27205926), (6, 13602963), (9, 9068642), (11, 7419798), (18, 4534321), (22, 3709899), (33, 2473266), (66, 1236633), (99, 824422), (198, 412211)]