989247

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{163}}^1$

素因数の和:207

約数の個数: 24

約数和(自身を含む): 1611136

約数和(自身を除く): 621889

約数列:

[1, 3, 7, 17, 21, 51, 119, 163, 289, 357, 489, 867, 1141, 2023, 2771, 3423, 6069, 8313, 19397, 47107, 58191, 141321, 329749, 989247]

約数ペア:

[(1, 989247), (3, 329749), (7, 141321), (17, 58191), (21, 47107), (51, 19397), (119, 8313), (163, 6069), (289, 3423), (357, 2771), (489, 2023), (867, 1141)]