256121487

素因数分解:

$3^3\times {\mathrm{1123}}^1\times {\mathrm{8447}}^1$

素因数の和:9579

約数の個数: 16

約数和(自身を含む): 379822080

約数和(自身を除く): 123700593

約数列:

[1, 3, 9, 27, 1123, 3369, 8447, 10107, 25341, 30321, 76023, 228069, 9485981, 28457943, 85373829, 256121487]

約数ペア:

[(1, 256121487), (3, 85373829), (9, 28457943), (27, 9485981), (1123, 228069), (3369, 76023), (8447, 30321), (10107, 25341)]