28053243

素因数分解:

$3^3\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{331}}^1$

素因数の和:456

約数の個数: 32

約数和(自身を含む): 43239680

約数和(自身を除く): 15186437

約数列:

[1, 3, 9, 27, 43, 73, 129, 219, 331, 387, 657, 993, 1161, 1971, 2979, 3139, 8937, 9417, 14233, 24163, 28251, 42699, 72489, 84753, 128097, 217467, 384291, 652401, 1039009, 3117027, 9351081, 28053243]

約数ペア:

[(1, 28053243), (3, 9351081), (9, 3117027), (27, 1039009), (43, 652401), (73, 384291), (129, 217467), (219, 128097), (331, 84753), (387, 72489), (657, 42699), (993, 28251), (1161, 24163), (1971, 14233), (2979, 9417), (3139, 8937)]