408069669

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{8053}}^1$

素因数の和:8209

約数の個数: 32

約数和(自身を含む): 659783680

約数和(自身を除く): 251714011

約数列:

[1, 3, 7, 19, 21, 57, 127, 133, 381, 399, 889, 2413, 2667, 7239, 8053, 16891, 24159, 50673, 56371, 153007, 169113, 459021, 1022731, 1071049, 3068193, 3213147, 7159117, 19431889, 21477351, 58295667, 136023223, 408069669]

約数ペア:

[(1, 408069669), (3, 136023223), (7, 58295667), (19, 21477351), (21, 19431889), (57, 7159117), (127, 3213147), (133, 3068193), (381, 1071049), (399, 1022731), (889, 459021), (2413, 169113), (2667, 153007), (7239, 56371), (8053, 50673), (16891, 24159)]