2684619

素因数分解:

$3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{991}}^1$

素因数の和:1047

約数の個数: 24

約数和(自身を含む): 4539392

約数和(自身を除く): 1854773

約数列:

[1, 3, 7, 9, 21, 43, 63, 129, 301, 387, 903, 991, 2709, 2973, 6937, 8919, 20811, 42613, 62433, 127839, 298291, 383517, 894873, 2684619]

約数ペア:

[(1, 2684619), (3, 894873), (7, 383517), (9, 298291), (21, 127839), (43, 62433), (63, 42613), (129, 20811), (301, 8919), (387, 6937), (903, 2973), (991, 2709)]