8409879

素因数分解:

$3^3\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1$

素因数の和:228

約数の個数: 32

約数和(自身を含む): 13063680

約数和(自身を除く): 4653801

約数列:

[1, 3, 9, 27, 41, 71, 107, 123, 213, 321, 369, 639, 963, 1107, 1917, 2889, 2911, 4387, 7597, 8733, 13161, 22791, 26199, 39483, 68373, 78597, 118449, 205119, 311477, 934431, 2803293, 8409879]

約数ペア:

[(1, 8409879), (3, 2803293), (9, 934431), (27, 311477), (41, 205119), (71, 118449), (107, 78597), (123, 68373), (213, 39483), (321, 26199), (369, 22791), (639, 13161), (963, 8733), (1107, 7597), (1917, 4387), (2889, 2911)]