12123279

素因数分解:

$3^2\times 7^1\times {\mathrm{199}}^1\times {\mathrm{967}}^1$

素因数の和:1179

約数の個数: 24

約数和(自身を含む): 20134400

約数和(自身を除く): 8011121

約数列:

[1, 3, 7, 9, 21, 63, 199, 597, 967, 1393, 1791, 2901, 4179, 6769, 8703, 12537, 20307, 60921, 192433, 577299, 1347031, 1731897, 4041093, 12123279]

約数ペア:

[(1, 12123279), (3, 4041093), (7, 1731897), (9, 1347031), (21, 577299), (63, 192433), (199, 60921), (597, 20307), (967, 12537), (1393, 8703), (1791, 6769), (2901, 4179)]