203993397

素因数分解:

$3^5\times {\mathrm{157}}^1\times {\mathrm{5347}}^1$

素因数の和:5519

約数の個数: 24

約数和(自身を含む): 307574176

約数和(自身を除く): 103580779

約数列:

[1, 3, 9, 27, 81, 157, 243, 471, 1413, 4239, 5347, 12717, 16041, 38151, 48123, 144369, 433107, 839479, 1299321, 2518437, 7555311, 22665933, 67997799, 203993397]

約数ペア:

[(1, 203993397), (3, 67997799), (9, 22665933), (27, 7555311), (81, 2518437), (157, 1299321), (243, 839479), (471, 433107), (1413, 144369), (4239, 48123), (5347, 38151), (12717, 16041)]