12789609

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{21001}}^1$

素因数の和:21040

約数の個数: 16

約数和(自身を含む): 20161920

約数和(自身を除く): 7372311

約数列:

[1, 3, 7, 21, 29, 87, 203, 609, 21001, 63003, 147007, 441021, 609029, 1827087, 4263203, 12789609]

約数ペア:

[(1, 12789609), (3, 4263203), (7, 1827087), (21, 609029), (29, 441021), (87, 147007), (203, 63003), (609, 21001)]