28860543

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{20959}}^1$

素因数の和:20988

約数の個数: 20

約数和(自身を含む): 45650880

約数和(自身を除く): 16790337

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 20959, 62877, 188631, 356303, 565893, 1068909, 1697679, 3206727, 9620181, 28860543]

約数ペア:

[(1, 28860543), (3, 9620181), (9, 3206727), (17, 1697679), (27, 1068909), (51, 565893), (81, 356303), (153, 188631), (459, 62877), (1377, 20959)]