123944121

素因数分解:

$3^3\times 7^1\times {\mathrm{157}}^1\times {\mathrm{4177}}^1$

素因数の和:4350

約数の個数: 32

約数和(自身を含む): 211239680

約数和(自身を除く): 87295559

約数列:

[1, 3, 7, 9, 21, 27, 63, 157, 189, 471, 1099, 1413, 3297, 4177, 4239, 9891, 12531, 29239, 29673, 37593, 87717, 112779, 263151, 655789, 789453, 1967367, 4590523, 5902101, 13771569, 17706303, 41314707, 123944121]

約数ペア:

[(1, 123944121), (3, 41314707), (7, 17706303), (9, 13771569), (21, 5902101), (27, 4590523), (63, 1967367), (157, 789453), (189, 655789), (471, 263151), (1099, 112779), (1413, 87717), (3297, 37593), (4177, 29673), (4239, 29239), (9891, 12531)]