81460467

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1$

素因数の和:205

約数の個数: 72

約数和(自身を含む): 141639680

約数和(自身を除く): 60179213

約数列:

[1, 3, 9, 11, 19, 31, 33, 57, 93, 99, 121, 127, 171, 209, 279, 341, 363, 381, 589, 627, 1023, 1089, 1143, 1397, 1767, 1881, 2299, 2413, 3069, 3751, 3937, 4191, 5301, 6479, 6897, 7239, 11253, 11811, 12573, 15367, 19437, 20691, 21717, 26543, 33759, 35433, 43307, 46101, 58311, 71269, 74803, 79629, 129921, 138303, 213807, 224409, 238887, 291973, 389763, 476377, 641421, 673227, 822833, 875919, 1429131, 2468499, 2627757, 4287393, 7405497, 9051163, 27153489, 81460467]

約数ペア:

[(1, 81460467), (3, 27153489), (9, 9051163), (11, 7405497), (19, 4287393), (31, 2627757), (33, 2468499), (57, 1429131), (93, 875919), (99, 822833), (121, 673227), (127, 641421), (171, 476377), (209, 389763), (279, 291973), (341, 238887), (363, 224409), (381, 213807), (589, 138303), (627, 129921), (1023, 79629), (1089, 74803), (1143, 71269), (1397, 58311), (1767, 46101), (1881, 43307), (2299, 35433), (2413, 33759), (3069, 26543), (3751, 21717), (3937, 20691), (4191, 19437), (5301, 15367), (6479, 12573), (6897, 11811), (7239, 11253)]