2641905

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{8387}}^1$

素因数の和:8405

約数の個数: 24

約数和(自身を含む): 5234112

約数和(自身を除く): 2592207

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 8387, 25161, 41935, 58709, 75483, 125805, 176127, 293545, 377415, 528381, 880635, 2641905]

約数ペア:

[(1, 2641905), (3, 880635), (5, 528381), (7, 377415), (9, 293545), (15, 176127), (21, 125805), (35, 75483), (45, 58709), (63, 41935), (105, 25161), (315, 8387)]