128235513

素因数分解:

$3^1\times 7^1\times {\mathrm{349}}^1\times {\mathrm{17497}}^1$

素因数の和:17856

約数の個数: 16

約数和(自身を含む): 195977600

約数和(自身を除く): 67742087

約数列:

[1, 3, 7, 21, 349, 1047, 2443, 7329, 17497, 52491, 122479, 367437, 6106453, 18319359, 42745171, 128235513]

約数ペア:

[(1, 128235513), (3, 42745171), (7, 18319359), (21, 6106453), (349, 367437), (1047, 122479), (2443, 52491), (7329, 17497)]