2781081

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{83}}^1$

素因数の和:182

約数の個数: 32

約数和(自身を含む): 4475520

約数和(自身を除く): 1694439

約数列:

[1, 3, 9, 17, 27, 51, 73, 83, 153, 219, 249, 459, 657, 747, 1241, 1411, 1971, 2241, 3723, 4233, 6059, 11169, 12699, 18177, 33507, 38097, 54531, 103003, 163593, 309009, 927027, 2781081]

約数ペア:

[(1, 2781081), (3, 927027), (9, 309009), (17, 163593), (27, 103003), (51, 54531), (73, 38097), (83, 33507), (153, 18177), (219, 12699), (249, 11169), (459, 6059), (657, 4233), (747, 3723), (1241, 2241), (1411, 1971)]