18180261

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{1493}}^1$

素因数の和:1554

約数の個数: 32

約数和(自身を含む): 30119040

約数和(自身を除く): 11938779

約数列:

[1, 3, 9, 11, 27, 33, 41, 99, 123, 297, 369, 451, 1107, 1353, 1493, 4059, 4479, 12177, 13437, 16423, 40311, 49269, 61213, 147807, 183639, 443421, 550917, 673343, 1652751, 2020029, 6060087, 18180261]

約数ペア:

[(1, 18180261), (3, 6060087), (9, 2020029), (11, 1652751), (27, 673343), (33, 550917), (41, 443421), (99, 183639), (123, 147807), (297, 61213), (369, 49269), (451, 40311), (1107, 16423), (1353, 13437), (1493, 12177), (4059, 4479)]