12864885

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{77969}}^1$

素因数の和:77988

約数の個数: 16

約数和(自身を含む): 22455360

約数和(自身を除く): 9590475

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 77969, 233907, 389845, 857659, 1169535, 2572977, 4288295, 12864885]

約数ペア:

[(1, 12864885), (3, 4288295), (5, 2572977), (11, 1169535), (15, 857659), (33, 389845), (55, 233907), (165, 77969)]