128286279

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{18251}}^1$

素因数の和:18339

約数の個数: 24

約数和(自身を含む): 205006464

約数和(自身を除く): 76720185

約数列:

[1, 3, 9, 11, 33, 71, 99, 213, 639, 781, 2343, 7029, 18251, 54753, 164259, 200761, 602283, 1295821, 1806849, 3887463, 11662389, 14254031, 42762093, 128286279]

約数ペア:

[(1, 128286279), (3, 42762093), (9, 14254031), (11, 11662389), (33, 3887463), (71, 1806849), (99, 1295821), (213, 602283), (639, 200761), (781, 164259), (2343, 54753), (7029, 18251)]