82781109

素因数分解:

$3^5\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{691}}^1$

素因数の和:752

約数の個数: 48

約数和(自身を含む): 136019520

約数和(自身を除く): 53238411

約数列:

[1, 3, 9, 17, 27, 29, 51, 81, 87, 153, 243, 261, 459, 493, 691, 783, 1377, 1479, 2073, 2349, 4131, 4437, 6219, 7047, 11747, 13311, 18657, 20039, 35241, 39933, 55971, 60117, 105723, 119799, 167913, 180351, 317169, 340663, 541053, 951507, 1021989, 1623159, 2854521, 3065967, 4869477, 9197901, 27593703, 82781109]

約数ペア:

[(1, 82781109), (3, 27593703), (9, 9197901), (17, 4869477), (27, 3065967), (29, 2854521), (51, 1623159), (81, 1021989), (87, 951507), (153, 541053), (243, 340663), (261, 317169), (459, 180351), (493, 167913), (691, 119799), (783, 105723), (1377, 60117), (1479, 55971), (2073, 39933), (2349, 35241), (4131, 20039), (4437, 18657), (6219, 13311), (7047, 11747)]