128569437

素因数分解:

$3^4\times {\mathrm{59}}^1\times {\mathrm{26903}}^1$

素因数の和:26974

約数の個数: 20

約数和(自身を含む): 195323040

約数和(自身を除く): 66753603

約数列:

[1, 3, 9, 27, 59, 81, 177, 531, 1593, 4779, 26903, 80709, 242127, 726381, 1587277, 2179143, 4761831, 14285493, 42856479, 128569437]

約数ペア:

[(1, 128569437), (3, 42856479), (9, 14285493), (27, 4761831), (59, 2179143), (81, 1587277), (177, 726381), (531, 242127), (1593, 80709), (4779, 26903)]