1728009

素因数分解:

$3^2\times {\mathrm{101}}^1\times {\mathrm{1901}}^1$

素因数の和:2008

約数の個数: 12

約数和(自身を含む): 2522052

約数和(自身を除く): 794043

約数列:

[1, 3, 9, 101, 303, 909, 1901, 5703, 17109, 192001, 576003, 1728009]

約数ペア:

[(1, 1728009), (3, 576003), (9, 192001), (101, 17109), (303, 5703), (909, 1901)]