16872723

素因数分解:

$3^2\times 7^1\times {\mathrm{107}}^1\times {\mathrm{2503}}^1$

素因数の和:2623

約数の個数: 24

約数和(自身を含む): 28124928

約数和(自身を除く): 11252205

約数列:

[1, 3, 7, 9, 21, 63, 107, 321, 749, 963, 2247, 2503, 6741, 7509, 17521, 22527, 52563, 157689, 267821, 803463, 1874747, 2410389, 5624241, 16872723]

約数ペア:

[(1, 16872723), (3, 5624241), (7, 2410389), (9, 1874747), (21, 803463), (63, 267821), (107, 157689), (321, 52563), (749, 22527), (963, 17521), (2247, 7509), (2503, 6741)]