201657537

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{13721}}^1$

素因数の和:13821

約数の個数: 24

約数和(自身を含む): 308251008

約数和(自身を除く): 106593471

約数列:

[1, 3, 9, 23, 69, 71, 207, 213, 639, 1633, 4899, 13721, 14697, 41163, 123489, 315583, 946749, 974191, 2840247, 2922573, 8767719, 22406393, 67219179, 201657537]

約数ペア:

[(1, 201657537), (3, 67219179), (9, 22406393), (23, 8767719), (69, 2922573), (71, 2840247), (207, 974191), (213, 946749), (639, 315583), (1633, 123489), (4899, 41163), (13721, 14697)]