17828739

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{27901}}^1$

素因数の和:27978

約数の個数: 12

約数和(自身を含む): 26116272

約数和(自身を除く): 8287533

約数列:

[1, 3, 9, 71, 213, 639, 27901, 83703, 251109, 1980971, 5942913, 17828739]

約数ペア:

[(1, 17828739), (3, 5942913), (9, 1980971), (71, 251109), (213, 83703), (639, 27901)]