12885129

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{20749}}^1$

素因数の和:20781

約数の個数: 16

約数和(自身を含む): 19920000

約数和(自身を除く): 7034871

約数列:

[1, 3, 9, 23, 27, 69, 207, 621, 20749, 62247, 186741, 477227, 560223, 1431681, 4295043, 12885129]

約数ペア:

[(1, 12885129), (3, 4295043), (9, 1431681), (23, 560223), (27, 477227), (69, 186741), (207, 62247), (621, 20749)]