19277217

素因数分解:

$3^3\times {\mathrm{173}}^1\times {\mathrm{4127}}^1$

素因数の和:4309

約数の個数: 16

約数和(自身を含む): 28730880

約数和(自身を除く): 9453663

約数列:

[1, 3, 9, 27, 173, 519, 1557, 4127, 4671, 12381, 37143, 111429, 713971, 2141913, 6425739, 19277217]

約数ペア:

[(1, 19277217), (3, 6425739), (9, 2141913), (27, 713971), (173, 111429), (519, 37143), (1557, 12381), (4127, 4671)]