31318881

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{13367}}^1$

素因数の和:13452

約数の個数: 16

約数和(自身を含む): 46199808

約数和(自身を除く): 14880927

約数列:

[1, 3, 11, 33, 71, 213, 781, 2343, 13367, 40101, 147037, 441111, 949057, 2847171, 10439627, 31318881]

約数ペア:

[(1, 31318881), (3, 10439627), (11, 2847171), (33, 949057), (71, 441111), (213, 147037), (781, 40101), (2343, 13367)]