81214701

素因数分解:

$3^1\times {\mathrm{109}}^1\times {\mathrm{307}}^1\times {\mathrm{809}}^1$

素因数の和:1228

約数の個数: 16

約数和(自身を含む): 109771200

約数和(自身を除く): 28556499

約数列:

[1, 3, 109, 307, 327, 809, 921, 2427, 33463, 88181, 100389, 248363, 264543, 745089, 27071567, 81214701]

約数ペア:

[(1, 81214701), (3, 27071567), (109, 745089), (307, 264543), (327, 248363), (809, 100389), (921, 88181), (2427, 33463)]