7721049

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{523}}^1$

素因数の和:589

約数の個数: 32

約数和(自身を含む): 12743680

約数和(自身を除く): 5022631

約数列:

[1, 3, 7, 19, 21, 37, 57, 111, 133, 259, 399, 523, 703, 777, 1569, 2109, 3661, 4921, 9937, 10983, 14763, 19351, 29811, 58053, 69559, 135457, 208677, 367669, 406371, 1103007, 2573683, 7721049]

約数ペア:

[(1, 7721049), (3, 2573683), (7, 1103007), (19, 406371), (21, 367669), (37, 208677), (57, 135457), (111, 69559), (133, 58053), (259, 29811), (399, 19351), (523, 14763), (703, 10983), (777, 9937), (1569, 4921), (2109, 3661)]