9978201

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{21739}}^1$

素因数の和:21765

約数の個数: 16

約数和(自身を含む): 15652800

約数和(自身を除く): 5674599

約数列:

[1, 3, 9, 17, 27, 51, 153, 459, 21739, 65217, 195651, 369563, 586953, 1108689, 3326067, 9978201]

約数ペア:

[(1, 9978201), (3, 3326067), (9, 1108689), (17, 586953), (27, 369563), (51, 195651), (153, 65217), (459, 21739)]