12391983

素因数分解:

$3^2\times {\mathrm{53}}^1\times {\mathrm{83}}^1\times {\mathrm{313}}^1$

素因数の和:455

約数の個数: 24

約数和(自身を含む): 18515952

約数和(自身を除く): 6123969

約数列:

[1, 3, 9, 53, 83, 159, 249, 313, 477, 747, 939, 2817, 4399, 13197, 16589, 25979, 39591, 49767, 77937, 149301, 233811, 1376887, 4130661, 12391983]

約数ペア:

[(1, 12391983), (3, 4130661), (9, 1376887), (53, 233811), (83, 149301), (159, 77937), (249, 49767), (313, 39591), (477, 25979), (747, 16589), (939, 13197), (2817, 4399)]