2157759

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{1567}}^1$

素因数の和:1596

約数の個数: 20

約数和(自身を含む): 3415104

約数和(自身を除く): 1257345

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 1567, 4701, 14103, 26639, 42309, 79917, 126927, 239751, 719253, 2157759]

約数ペア:

[(1, 2157759), (3, 719253), (9, 239751), (17, 126927), (27, 79917), (51, 42309), (81, 26639), (153, 14103), (459, 4701), (1377, 1567)]