40390287

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{44729}}^1$

素因数の和:44782

約数の個数: 16

約数和(自身を含む): 62979840

約数和(自身を除く): 22589553

約数列:

[1, 3, 7, 21, 43, 129, 301, 903, 44729, 134187, 313103, 939309, 1923347, 5770041, 13463429, 40390287]

約数ペア:

[(1, 40390287), (3, 13463429), (7, 5770041), (21, 1923347), (43, 939309), (129, 313103), (301, 134187), (903, 44729)]