81889845

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{126961}}^1$

素因数の和:127012

約数の個数: 16

約数和(自身を含む): 134071872

約数和(自身を除く): 52182027

約数列:

[1, 3, 5, 15, 43, 129, 215, 645, 126961, 380883, 634805, 1904415, 5459323, 16377969, 27296615, 81889845]

約数ペア:

[(1, 81889845), (3, 27296615), (5, 16377969), (15, 5459323), (43, 1904415), (129, 634805), (215, 380883), (645, 126961)]