11907567

素因数分解:

$3^4\times 7^1\times {\mathrm{21001}}^1$

素因数の和:21020

約数の個数: 20

約数和(自身を含む): 20329936

約数和(自身を除く): 8422369

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 21001, 63003, 147007, 189009, 441021, 567027, 1323063, 1701081, 3969189, 11907567]

約数ペア:

[(1, 11907567), (3, 3969189), (7, 1701081), (9, 1323063), (21, 567027), (27, 441021), (63, 189009), (81, 147007), (189, 63003), (567, 21001)]