7265979

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1$

素因数の和:180

約数の個数: 48

約数和(自身を含む): 12841920

約数和(自身を除く): 5575941

約数列:

[1, 3, 7, 9, 21, 29, 41, 63, 87, 97, 123, 203, 261, 287, 291, 369, 609, 679, 861, 873, 1189, 1827, 2037, 2583, 2813, 3567, 3977, 6111, 8323, 8439, 10701, 11931, 19691, 24969, 25317, 27839, 35793, 59073, 74907, 83517, 115333, 177219, 250551, 345999, 807331, 1037997, 2421993, 7265979]

約数ペア:

[(1, 7265979), (3, 2421993), (7, 1037997), (9, 807331), (21, 345999), (29, 250551), (41, 177219), (63, 115333), (87, 83517), (97, 74907), (123, 59073), (203, 35793), (261, 27839), (287, 25317), (291, 24969), (369, 19691), (609, 11931), (679, 10701), (861, 8439), (873, 8323), (1189, 6111), (1827, 3977), (2037, 3567), (2583, 2813)]