13947309

素因数分解:

$3^4\times {\mathrm{409}}^1\times {\mathrm{421}}^1$

素因数の和:842

約数の個数: 20

約数和(自身を含む): 20935420

約数和(自身を除く): 6988111

約数列:

[1, 3, 9, 27, 81, 409, 421, 1227, 1263, 3681, 3789, 11043, 11367, 33129, 34101, 172189, 516567, 1549701, 4649103, 13947309]

約数ペア:

[(1, 13947309), (3, 4649103), (9, 1549701), (27, 516567), (81, 172189), (409, 34101), (421, 33129), (1227, 11367), (1263, 11043), (3681, 3789)]