15747291

素因数分解:

$3^4\times 7^1\times {\mathrm{27773}}^1$

素因数の和:27792

約数の個数: 20

約数和(自身を含む): 26885232

約数和(自身を除く): 11137941

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 27773, 83319, 194411, 249957, 583233, 749871, 1749699, 2249613, 5249097, 15747291]

約数ペア:

[(1, 15747291), (3, 5249097), (7, 2249613), (9, 1749699), (21, 749871), (27, 583233), (63, 249957), (81, 194411), (189, 83319), (567, 27773)]