11965815

素因数分解:

$3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{1913}}^1$

素因数の和:2063

約数の個数: 24

約数和(自身を含む): 20900880

約数和(自身を除く): 8935065

約数列:

[1, 3, 5, 9, 15, 45, 139, 417, 695, 1251, 1913, 2085, 5739, 6255, 9565, 17217, 28695, 86085, 265907, 797721, 1329535, 2393163, 3988605, 11965815]

約数ペア:

[(1, 11965815), (3, 3988605), (5, 2393163), (9, 1329535), (15, 797721), (45, 265907), (139, 86085), (417, 28695), (695, 17217), (1251, 9565), (1913, 6255), (2085, 5739)]