199904571

素因数分解:

$3^3\times {\mathrm{113}}^1\times {\mathrm{65521}}^1$

素因数の和:65643

約数の個数: 16

約数和(自身を含む): 298780320

約数和(自身を除く): 98875749

約数列:

[1, 3, 9, 27, 113, 339, 1017, 3051, 65521, 196563, 589689, 1769067, 7403873, 22211619, 66634857, 199904571]

約数ペア:

[(1, 199904571), (3, 66634857), (9, 22211619), (27, 7403873), (113, 1769067), (339, 589689), (1017, 196563), (3051, 65521)]