18139149

素因数分解:

$3^2\times 7^1\times {\mathrm{499}}^1\times {\mathrm{577}}^1$

素因数の和:1089

約数の個数: 24

約数和(自身を含む): 30056000

約数和(自身を除く): 11916851

約数列:

[1, 3, 7, 9, 21, 63, 499, 577, 1497, 1731, 3493, 4039, 4491, 5193, 10479, 12117, 31437, 36351, 287923, 863769, 2015461, 2591307, 6046383, 18139149]

約数ペア:

[(1, 18139149), (3, 6046383), (7, 2591307), (9, 2015461), (21, 863769), (63, 287923), (499, 36351), (577, 31437), (1497, 12117), (1731, 10479), (3493, 5193), (4039, 4491)]