128045379

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{79187}}^1$

素因数の和:79215

約数の個数: 24

約数和(自身を含む): 216658368

約数和(自身を除く): 88612989

約数列:

[1, 3, 7, 11, 21, 33, 49, 77, 147, 231, 539, 1617, 79187, 237561, 554309, 871057, 1662927, 2613171, 3880163, 6097399, 11640489, 18292197, 42681793, 128045379]

約数ペア:

[(1, 128045379), (3, 42681793), (7, 18292197), (11, 11640489), (21, 6097399), (33, 3880163), (49, 2613171), (77, 1662927), (147, 871057), (231, 554309), (539, 237561), (1617, 79187)]