394465239

素因数分解:

$3^2\times 7^2\times {\mathrm{883}}^1\times {\mathrm{1013}}^1$

素因数の和:1916

約数の個数: 36

約数和(自身を含む): 664214616

約数和(自身を除く): 269749377

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 883, 1013, 2649, 3039, 6181, 7091, 7947, 9117, 18543, 21273, 43267, 49637, 55629, 63819, 129801, 148911, 389403, 446733, 894479, 2683437, 6261353, 8050311, 18784059, 43829471, 56352177, 131488413, 394465239]

約数ペア:

[(1, 394465239), (3, 131488413), (7, 56352177), (9, 43829471), (21, 18784059), (49, 8050311), (63, 6261353), (147, 2683437), (441, 894479), (883, 446733), (1013, 389403), (2649, 148911), (3039, 129801), (6181, 63819), (7091, 55629), (7947, 49637), (9117, 43267), (18543, 21273)]