28908687

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{4327}}^1$

素因数の和:4478

約数の個数: 16

約数和(自身を含む): 41133312

約数和(自身を除く): 12224625

約数列:

[1, 3, 17, 51, 131, 393, 2227, 4327, 6681, 12981, 73559, 220677, 566837, 1700511, 9636229, 28908687]

約数ペア:

[(1, 28908687), (3, 9636229), (17, 1700511), (51, 566837), (131, 220677), (393, 73559), (2227, 12981), (4327, 6681)]