31884183

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{1217}}^1$

素因数の和:1335

約数の個数: 24

約数和(自身を含む): 47882016

約数和(自身を除く): 15997833

約数列:

[1, 3, 9, 41, 71, 123, 213, 369, 639, 1217, 2911, 3651, 8733, 10953, 26199, 49897, 86407, 149691, 259221, 449073, 777663, 3542687, 10628061, 31884183]

約数ペア:

[(1, 31884183), (3, 10628061), (9, 3542687), (41, 777663), (71, 449073), (123, 259221), (213, 149691), (369, 86407), (639, 49897), (1217, 26199), (2911, 10953), (3651, 8733)]