128680239

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{73}}^1\times {\mathrm{433}}^1$

素因数の和:591

約数の個数: 32

約数和(自身を含む): 184988160

約数和(自身を除く): 56307921

約数列:

[1, 3, 23, 59, 69, 73, 177, 219, 433, 1299, 1357, 1679, 4071, 4307, 5037, 9959, 12921, 25547, 29877, 31609, 76641, 94827, 99061, 297183, 587581, 727007, 1762743, 1864931, 2181021, 5594793, 42893413, 128680239]

約数ペア:

[(1, 128680239), (3, 42893413), (23, 5594793), (59, 2181021), (69, 1864931), (73, 1762743), (177, 727007), (219, 587581), (433, 297183), (1299, 99061), (1357, 94827), (1679, 76641), (4071, 31609), (4307, 29877), (5037, 25547), (9959, 12921)]