47139309

素因数分解:

$3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{17401}}^1$

素因数の和:17457

約数の個数: 24

約数和(自身を含む): 79631552

約数和(自身を除く): 32492243

約数列:

[1, 3, 7, 9, 21, 43, 63, 129, 301, 387, 903, 2709, 17401, 52203, 121807, 156609, 365421, 748243, 1096263, 2244729, 5237701, 6734187, 15713103, 47139309]

約数ペア:

[(1, 47139309), (3, 15713103), (7, 6734187), (9, 5237701), (21, 2244729), (43, 1096263), (63, 748243), (129, 365421), (301, 156609), (387, 121807), (903, 52203), (2709, 17401)]