81307578

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{7121}}^1$

素因数の和:7310

約数の個数: 32

約数和(自身を含む): 178448832

約数和(自身を除く): 97141254

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 173, 346, 519, 1038, 1903, 3806, 5709, 7121, 11418, 14242, 21363, 42726, 78331, 156662, 234993, 469986, 1231933, 2463866, 3695799, 7391598, 13551263, 27102526, 40653789, 81307578]

約数ペア:

[(1, 81307578), (2, 40653789), (3, 27102526), (6, 13551263), (11, 7391598), (22, 3695799), (33, 2463866), (66, 1231933), (173, 469986), (346, 234993), (519, 156662), (1038, 78331), (1903, 42726), (3806, 21363), (5709, 14242), (7121, 11418)]