249093063

素因数分解:

$3^4\times {\mathrm{71}}^1\times {\mathrm{43313}}^1$

素因数の和:43396

約数の個数: 20

約数和(自身を含む): 377351568

約数和(自身を除く): 128258505

約数列:

[1, 3, 9, 27, 71, 81, 213, 639, 1917, 5751, 43313, 129939, 389817, 1169451, 3075223, 3508353, 9225669, 27677007, 83031021, 249093063]

約数ペア:

[(1, 249093063), (3, 83031021), (9, 27677007), (27, 9225669), (71, 3508353), (81, 3075223), (213, 1169451), (639, 389817), (1917, 129939), (5751, 43313)]