12666339

素因数分解:

$3^2\times 7^1\times {\mathrm{107}}^1\times {\mathrm{1879}}^1$

素因数の和:1999

約数の個数: 24

約数和(自身を含む): 21116160

約数和(自身を除く): 8449821

約数列:

[1, 3, 7, 9, 21, 63, 107, 321, 749, 963, 1879, 2247, 5637, 6741, 13153, 16911, 39459, 118377, 201053, 603159, 1407371, 1809477, 4222113, 12666339]

約数ペア:

[(1, 12666339), (3, 4222113), (7, 1809477), (9, 1407371), (21, 603159), (63, 201053), (107, 118377), (321, 39459), (749, 16911), (963, 13153), (1879, 6741), (2247, 5637)]