2164788891

素因数分解:

$3^2\times {\mathrm{17}}^2\times {\mathrm{832291}}^1$

素因数の和:832331

約数の個数: 18

約数和(自身を含む): 3321677372

約数和(自身を除く): 1156888481

約数列:

[1, 3, 9, 17, 51, 153, 289, 867, 2601, 832291, 2496873, 7490619, 14148947, 42446841, 127340523, 240532099, 721596297, 2164788891]

約数ペア:

[(1, 2164788891), (3, 721596297), (9, 240532099), (17, 127340523), (51, 42446841), (153, 14148947), (289, 7490619), (867, 2496873), (2601, 832291)]