31681407

素因数分解:

$3^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{2521}}^1$

素因数の和:2654

約数の個数: 16

約数和(自身を含む): 43580160

約数和(自身を除く): 11898753

約数列:

[1, 3, 59, 71, 177, 213, 2521, 4189, 7563, 12567, 148739, 178991, 446217, 536973, 10560469, 31681407]

約数ペア:

[(1, 31681407), (3, 10560469), (59, 536973), (71, 446217), (177, 178991), (213, 148739), (2521, 12567), (4189, 7563)]