289161891

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{103}}^1\times {\mathrm{311}}^1$

素因数の和:496

約数の個数: 48

約数和(自身を含む): 455569920

約数和(自身を除く): 166408029

約数列:

[1, 3, 9, 17, 51, 59, 103, 153, 177, 309, 311, 531, 927, 933, 1003, 1751, 2799, 3009, 5253, 5287, 6077, 9027, 15759, 15861, 18231, 18349, 32033, 47583, 54693, 55047, 96099, 103309, 165141, 288297, 309927, 311933, 544561, 929781, 935799, 1633683, 1889947, 2807397, 4901049, 5669841, 17009523, 32129099, 96387297, 289161891]

約数ペア:

[(1, 289161891), (3, 96387297), (9, 32129099), (17, 17009523), (51, 5669841), (59, 4901049), (103, 2807397), (153, 1889947), (177, 1633683), (309, 935799), (311, 929781), (531, 544561), (927, 311933), (933, 309927), (1003, 288297), (1751, 165141), (2799, 103309), (3009, 96099), (5253, 55047), (5287, 54693), (6077, 47583), (9027, 32033), (15759, 18349), (15861, 18231)]