81268308

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{205223}}^1$

素因数の和:205244

約数の個数: 36

約数和(自身を含む): 224104608

約数和(自身を除く): 142836300

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 132, 198, 396, 205223, 410446, 615669, 820892, 1231338, 1847007, 2257453, 2462676, 3694014, 4514906, 6772359, 7388028, 9029812, 13544718, 20317077, 27089436, 40634154, 81268308]

約数ペア:

[(1, 81268308), (2, 40634154), (3, 27089436), (4, 20317077), (6, 13544718), (9, 9029812), (11, 7388028), (12, 6772359), (18, 4514906), (22, 3694014), (33, 2462676), (36, 2257453), (44, 1847007), (66, 1231338), (99, 820892), (132, 615669), (198, 410446), (396, 205223)]