16678539

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{607}}^1$

素因数の和:727

約数の個数: 24

約数和(自身を含む): 25039872

約数和(自身を除く): 8361333

約数列:

[1, 3, 9, 43, 71, 129, 213, 387, 607, 639, 1821, 3053, 5463, 9159, 26101, 27477, 43097, 78303, 129291, 234909, 387873, 1853171, 5559513, 16678539]

約数ペア:

[(1, 16678539), (3, 5559513), (9, 1853171), (43, 387873), (71, 234909), (129, 129291), (213, 78303), (387, 43097), (607, 27477), (639, 26101), (1821, 9159), (3053, 5463)]