18801027

素因数分解:

$3^2\times 7^1\times {\mathrm{167}}^1\times {\mathrm{1787}}^1$

素因数の和:1967

約数の個数: 24

約数和(自身を含む): 31239936

約数和(自身を除く): 12438909

約数列:

[1, 3, 7, 9, 21, 63, 167, 501, 1169, 1503, 1787, 3507, 5361, 10521, 12509, 16083, 37527, 112581, 298429, 895287, 2089003, 2685861, 6267009, 18801027]

約数ペア:

[(1, 18801027), (3, 6267009), (7, 2685861), (9, 2089003), (21, 895287), (63, 298429), (167, 112581), (501, 37527), (1169, 16083), (1503, 12509), (1787, 10521), (3507, 5361)]