20191353

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73961}}^1$

素因数の和:73984

約数の個数: 16

約数和(自身を含む): 33134976

約数和(自身を除く): 12943623

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 73961, 221883, 517727, 961493, 1553181, 2884479, 6730451, 20191353]

約数ペア:

[(1, 20191353), (3, 6730451), (7, 2884479), (13, 1553181), (21, 961493), (39, 517727), (91, 221883), (273, 73961)]