17828487

素因数分解:

$3^2\times {\mathrm{37}}^2\times {\mathrm{1447}}^1$

素因数の和:1527

約数の個数: 18

約数和(自身を含む): 26485368

約数和(自身を除く): 8656881

約数列:

[1, 3, 9, 37, 111, 333, 1369, 1447, 4107, 4341, 12321, 13023, 53539, 160617, 481851, 1980943, 5942829, 17828487]

約数ペア:

[(1, 17828487), (3, 5942829), (9, 1980943), (37, 481851), (111, 160617), (333, 53539), (1369, 13023), (1447, 12321), (4107, 4341)]