26808813

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{19469}}^1$

素因数の和:19498

約数の個数: 20

約数和(自身を含む): 42405660

約数和(自身を除く): 15596847

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 19469, 58407, 175221, 330973, 525663, 992919, 1576989, 2978757, 8936271, 26808813]

約数ペア:

[(1, 26808813), (3, 8936271), (9, 2978757), (17, 1576989), (27, 992919), (51, 525663), (81, 330973), (153, 175221), (459, 58407), (1377, 19469)]