39487987

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{2027}}^1$

素因数の和:2079

約数の個数: 24

約数和(自身を含む): 51787008

約数和(自身を除く): 12299021

約数列:

[1, 7, 11, 23, 77, 121, 161, 253, 847, 1771, 2027, 2783, 14189, 19481, 22297, 46621, 156079, 245267, 326347, 512831, 1716869, 3589817, 5641141, 39487987]

約数ペア:

[(1, 39487987), (7, 5641141), (11, 3589817), (23, 1716869), (77, 512831), (121, 326347), (161, 245267), (253, 156079), (847, 46621), (1771, 22297), (2027, 19481), (2783, 14189)]