13865661

素因数分解:

$3^4\times {\mathrm{71}}^1\times {\mathrm{2411}}^1$

素因数の和:2494

約数の個数: 20

約数和(自身を含む): 21013344

約数和(自身を除く): 7147683

約数列:

[1, 3, 9, 27, 71, 81, 213, 639, 1917, 2411, 5751, 7233, 21699, 65097, 171181, 195291, 513543, 1540629, 4621887, 13865661]

約数ペア:

[(1, 13865661), (3, 4621887), (9, 1540629), (27, 513543), (71, 195291), (81, 171181), (213, 65097), (639, 21699), (1917, 7233), (2411, 5751)]