87423791

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{1933}}^1$

素因数の和:2031

約数の個数: 24

約数和(自身を含む): 111119904

約数和(自身を除く): 23696113

約数列:

[1, 7, 13, 49, 71, 91, 497, 637, 923, 1933, 3479, 6461, 13531, 25129, 45227, 94717, 137243, 175903, 960701, 1231321, 1784159, 6724907, 12489113, 87423791]

約数ペア:

[(1, 87423791), (7, 12489113), (13, 6724907), (49, 1784159), (71, 1231321), (91, 960701), (497, 175903), (637, 137243), (923, 94717), (1933, 45227), (3479, 25129), (6461, 13531)]