2789171

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{89}}^1$

素因数の和:155

約数の個数: 24

約数和(自身を含む): 3638880

約数和(自身を除く): 849709

約数列:

[1, 7, 11, 37, 77, 89, 121, 259, 407, 623, 847, 979, 2849, 3293, 4477, 6853, 10769, 23051, 31339, 36223, 75383, 253561, 398453, 2789171]

約数ペア:

[(1, 2789171), (7, 398453), (11, 253561), (37, 75383), (77, 36223), (89, 31339), (121, 23051), (259, 10769), (407, 6853), (623, 4477), (847, 3293), (979, 2849)]