12172839

素因数分解:

$3^1\times 7^1\times {\mathrm{449}}^1\times {\mathrm{1291}}^1$

素因数の和:1750

約数の個数: 16

約数和(自身を含む): 18604800

約数和(自身を除く): 6431961

約数列:

[1, 3, 7, 21, 449, 1291, 1347, 3143, 3873, 9037, 9429, 27111, 579659, 1738977, 4057613, 12172839]

約数ペア:

[(1, 12172839), (3, 4057613), (7, 1738977), (21, 579659), (449, 27111), (1291, 9429), (1347, 9037), (3143, 3873)]