31731249

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{467}}^1$

素因数の和:581

約数の個数: 32

約数和(自身を含む): 48522240

約数和(自身を除く): 16790991

約数列:

[1, 3, 11, 29, 33, 71, 87, 213, 319, 467, 781, 957, 1401, 2059, 2343, 5137, 6177, 13543, 15411, 22649, 33157, 40629, 67947, 99471, 148973, 364727, 446919, 961553, 1094181, 2884659, 10577083, 31731249]

約数ペア:

[(1, 31731249), (3, 10577083), (11, 2884659), (29, 1094181), (33, 961553), (71, 446919), (87, 364727), (213, 148973), (319, 99471), (467, 67947), (781, 40629), (957, 33157), (1401, 22649), (2059, 15411), (2343, 13543), (5137, 6177)]