81800319

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{4993}}^1$

素因数の和:5166

約数の個数: 16

約数和(自身を含む): 112504832

約数和(自身を除く): 30704513

約数列:

[1, 3, 43, 127, 129, 381, 4993, 5461, 14979, 16383, 214699, 634111, 644097, 1902333, 27266773, 81800319]

約数ペア:

[(1, 81800319), (3, 27266773), (43, 1902333), (127, 644097), (129, 634111), (381, 214699), (4993, 16383), (5461, 14979)]