289732401

素因数分解:

$3^2\times 7^1\times {\mathrm{73}}^2\times {\mathrm{863}}^1$

素因数の和:1022

約数の個数: 36

約数和(自身を含む): 485491968

約数和(自身を除く): 195759567

約数列:

[1, 3, 7, 9, 21, 63, 73, 219, 511, 657, 863, 1533, 2589, 4599, 5329, 6041, 7767, 15987, 18123, 37303, 47961, 54369, 62999, 111909, 188997, 335727, 440993, 566991, 1322979, 3968937, 4598927, 13796781, 32192489, 41390343, 96577467, 289732401]

約数ペア:

[(1, 289732401), (3, 96577467), (7, 41390343), (9, 32192489), (21, 13796781), (63, 4598927), (73, 3968937), (219, 1322979), (511, 566991), (657, 440993), (863, 335727), (1533, 188997), (2589, 111909), (4599, 62999), (5329, 54369), (6041, 47961), (7767, 37303), (15987, 18123)]