2553138

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{881}}^1$

素因数の和:919

約数の個数: 48

約数和(自身を含む): 6604416

約数和(自身を除く): 4051278

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 23, 42, 46, 63, 69, 126, 138, 161, 207, 322, 414, 483, 881, 966, 1449, 1762, 2643, 2898, 5286, 6167, 7929, 12334, 15858, 18501, 20263, 37002, 40526, 55503, 60789, 111006, 121578, 141841, 182367, 283682, 364734, 425523, 851046, 1276569, 2553138]

約数ペア:

[(1, 2553138), (2, 1276569), (3, 851046), (6, 425523), (7, 364734), (9, 283682), (14, 182367), (18, 141841), (21, 121578), (23, 111006), (42, 60789), (46, 55503), (63, 40526), (69, 37002), (126, 20263), (138, 18501), (161, 15858), (207, 12334), (322, 7929), (414, 6167), (483, 5286), (881, 2898), (966, 2643), (1449, 1762)]