72181109

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{72109}}^1$

素因数の和:72140

約数の個数: 16

約数和(自身を含む): 96915840

約数和(自身を除く): 24734731

約数列:

[1, 7, 11, 13, 77, 91, 143, 1001, 72109, 504763, 793199, 937417, 5552393, 6561919, 10311587, 72181109]

約数ペア:

[(1, 72181109), (7, 10311587), (11, 6561919), (13, 5552393), (77, 937417), (91, 793199), (143, 504763), (1001, 72109)]