201917667

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{3907}}^1$

素因数の和:4047

約数の個数: 32

約数和(自身を含む): 324145152

約数和(自身を除く): 122227485

約数列:

[1, 3, 7, 21, 23, 69, 107, 161, 321, 483, 749, 2247, 2461, 3907, 7383, 11721, 17227, 27349, 51681, 82047, 89861, 269583, 418049, 629027, 1254147, 1887081, 2926343, 8779029, 9615127, 28845381, 67305889, 201917667]

約数ペア:

[(1, 201917667), (3, 67305889), (7, 28845381), (21, 9615127), (23, 8779029), (69, 2926343), (107, 1887081), (161, 1254147), (321, 629027), (483, 418049), (749, 269583), (2247, 89861), (2461, 82047), (3907, 51681), (7383, 27349), (11721, 17227)]