3969567

素因数分解:

$3^4\times 7^1\times {\mathrm{7001}}^1$

素因数の和:7020

約数の個数: 20

約数和(自身を含む): 6777936

約数和(自身を除く): 2808369

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 7001, 21003, 49007, 63009, 147021, 189027, 441063, 567081, 1323189, 3969567]

約数ペア:

[(1, 3969567), (3, 1323189), (7, 567081), (9, 441063), (21, 189027), (27, 147021), (63, 63009), (81, 49007), (189, 21003), (567, 7001)]