57280257

素因数分解:

$3^3\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{479}}^1$

素因数の和:634

約数の個数: 32

約数和(自身を含む): 87859200

約数和(自身を除く): 30578943

約数列:

[1, 3, 9, 27, 43, 103, 129, 309, 387, 479, 927, 1161, 1437, 2781, 4311, 4429, 12933, 13287, 20597, 39861, 49337, 61791, 119583, 148011, 185373, 444033, 556119, 1332099, 2121491, 6364473, 19093419, 57280257]

約数ペア:

[(1, 57280257), (3, 19093419), (9, 6364473), (27, 2121491), (43, 1332099), (103, 556119), (129, 444033), (309, 185373), (387, 148011), (479, 119583), (927, 61791), (1161, 49337), (1437, 39861), (2781, 20597), (4311, 13287), (4429, 12933)]