278766387

素因数分解:

$3^3\times {\mathrm{241}}^1\times {\mathrm{42841}}^1$

素因数の和:43091

約数の個数: 16

約数和(自身を含む): 414710560

約数和(自身を除く): 135944173

約数列:

[1, 3, 9, 27, 241, 723, 2169, 6507, 42841, 128523, 385569, 1156707, 10324681, 30974043, 92922129, 278766387]

約数ペア:

[(1, 278766387), (3, 92922129), (9, 30974043), (27, 10324681), (241, 1156707), (723, 385569), (2169, 128523), (6507, 42841)]