297686781

素因数分解:

$3^2\times 7^1\times {\mathrm{2141}}^1\times {\mathrm{2207}}^1$

素因数の和:4361

約数の個数: 24

約数和(自身を含む): 491871744

約数和(自身を除く): 194184963

約数列:

[1, 3, 7, 9, 21, 63, 2141, 2207, 6423, 6621, 14987, 15449, 19269, 19863, 44961, 46347, 134883, 139041, 4725187, 14175561, 33076309, 42526683, 99228927, 297686781]

約数ペア:

[(1, 297686781), (3, 99228927), (7, 42526683), (9, 33076309), (21, 14175561), (63, 4725187), (2141, 139041), (2207, 134883), (6423, 46347), (6621, 44961), (14987, 19863), (15449, 19269)]