31128921

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{67819}}^1$

素因数の和:67845

約数の個数: 16

約数和(自身を含む): 48830400

約数和(自身を除く): 17701479

約数列:

[1, 3, 9, 17, 27, 51, 153, 459, 67819, 203457, 610371, 1152923, 1831113, 3458769, 10376307, 31128921]

約数ペア:

[(1, 31128921), (3, 10376307), (9, 3458769), (17, 1831113), (27, 1152923), (51, 610371), (153, 203457), (459, 67819)]