81657291

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{997}}^1\times {\mathrm{1187}}^1$

素因数の和:2210

約数の個数: 16

約数和(自身を含む): 113819904

約数和(自身を除く): 32162613

約数列:

[1, 3, 23, 69, 997, 1187, 2991, 3561, 22931, 27301, 68793, 81903, 1183439, 3550317, 27219097, 81657291]

約数ペア:

[(1, 81657291), (3, 27219097), (23, 3550317), (69, 1183439), (997, 81903), (1187, 68793), (2991, 27301), (3561, 22931)]