78865569

素因数分解:

$3^4\times {\mathrm{43}}^1\times {\mathrm{22643}}^1$

素因数の和:22698

約数の個数: 20

約数和(自身を含む): 120556656

約数和(自身を除く): 41691087

約数列:

[1, 3, 9, 27, 43, 81, 129, 387, 1161, 3483, 22643, 67929, 203787, 611361, 973649, 1834083, 2920947, 8762841, 26288523, 78865569]

約数ペア:

[(1, 78865569), (3, 26288523), (9, 8762841), (27, 2920947), (43, 1834083), (81, 973649), (129, 611361), (387, 203787), (1161, 67929), (3483, 22643)]