12187341

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{7919}}^1$

素因数の和:7950

約数の個数: 20

約数和(自身を含む): 19166400

約数和(自身を除く): 6979059

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 7919, 23757, 71271, 150461, 213813, 451383, 641439, 1354149, 4062447, 12187341]

約数ペア:

[(1, 12187341), (3, 4062447), (9, 1354149), (19, 641439), (27, 451383), (57, 213813), (81, 150461), (171, 71271), (513, 23757), (1539, 7919)]