12967857

素因数分解:

$3^4\times 7^1\times {\mathrm{22871}}^1$

素因数の和:22890

約数の個数: 20

約数和(自身を含む): 22140096

約数和(自身を除く): 9172239

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 22871, 68613, 160097, 205839, 480291, 617517, 1440873, 1852551, 4322619, 12967857]

約数ペア:

[(1, 12967857), (3, 4322619), (7, 1852551), (9, 1440873), (21, 617517), (27, 480291), (63, 205839), (81, 160097), (189, 68613), (567, 22871)]