198174987

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{103}}^1\times {\mathrm{3011}}^1$

素因数の和:3191

約数の個数: 24

約数和(自身を含む): 293200128

約数和(自身を除く): 95025141

約数列:

[1, 3, 9, 71, 103, 213, 309, 639, 927, 3011, 7313, 9033, 21939, 27099, 65817, 213781, 310133, 641343, 930399, 1924029, 2791197, 22019443, 66058329, 198174987]

約数ペア:

[(1, 198174987), (3, 66058329), (9, 22019443), (71, 2791197), (103, 1924029), (213, 930399), (309, 641343), (639, 310133), (927, 213781), (3011, 65817), (7313, 27099), (9033, 21939)]