1215891

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{883}}^1$

素因数の和:912

約数の個数: 20

約数和(自身を含む): 1925352

約数和(自身を除く): 709461

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 883, 1377, 2649, 7947, 15011, 23841, 45033, 71523, 135099, 405297, 1215891]

約数ペア:

[(1, 1215891), (3, 405297), (9, 135099), (17, 71523), (27, 45033), (51, 23841), (81, 15011), (153, 7947), (459, 2649), (883, 1377)]