13639941

素因数分解:

$3^3\times 7^1\times {\mathrm{72169}}^1$

素因数の和:72185

約数の個数: 16

約数和(自身を含む): 23094400

約数和(自身を除く): 9454459

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 72169, 216507, 505183, 649521, 1515549, 1948563, 4546647, 13639941]

約数ペア:

[(1, 13639941), (3, 4546647), (7, 1948563), (9, 1515549), (21, 649521), (27, 505183), (63, 216507), (189, 72169)]