19974303

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{43517}}^1$

素因数の和:43543

約数の個数: 16

約数和(自身を含む): 31332960

約数和(自身を除く): 11358657

約数列:

[1, 3, 9, 17, 27, 51, 153, 459, 43517, 130551, 391653, 739789, 1174959, 2219367, 6658101, 19974303]

約数ペア:

[(1, 19974303), (3, 6658101), (9, 2219367), (17, 1174959), (27, 739789), (51, 391653), (153, 130551), (459, 43517)]