128564319

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{8431}}^1$

素因数の和:8487

約数の個数: 32

約数和(自身を含む): 203986944

約数和(自身を除く): 75422625

約数列:

[1, 3, 13, 17, 23, 39, 51, 69, 221, 299, 391, 663, 897, 1173, 5083, 8431, 15249, 25293, 109603, 143327, 193913, 328809, 429981, 581739, 1863251, 2520869, 3296521, 5589753, 7562607, 9889563, 42854773, 128564319]

約数ペア:

[(1, 128564319), (3, 42854773), (13, 9889563), (17, 7562607), (23, 5589753), (39, 3296521), (51, 2520869), (69, 1863251), (221, 581739), (299, 429981), (391, 328809), (663, 193913), (897, 143327), (1173, 109603), (5083, 25293), (8431, 15249)]