12243879

素因数分解:

$3^4\times {\mathrm{71}}^1\times {\mathrm{2129}}^1$

素因数の和:2212

約数の個数: 20

約数和(自身を含む): 18556560

約数和(自身を除く): 6312681

約数列:

[1, 3, 9, 27, 71, 81, 213, 639, 1917, 2129, 5751, 6387, 19161, 57483, 151159, 172449, 453477, 1360431, 4081293, 12243879]

約数ペア:

[(1, 12243879), (3, 4081293), (9, 1360431), (27, 453477), (71, 172449), (81, 151159), (213, 57483), (639, 19161), (1917, 6387), (2129, 5751)]