27969909

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{857}}^1$

素因数の和:937

約数の個数: 32

約数和(自身を含む): 43490304

約数和(自身を除く): 15520395

約数列:

[1, 3, 11, 23, 33, 43, 69, 129, 253, 473, 759, 857, 989, 1419, 2571, 2967, 9427, 10879, 19711, 28281, 32637, 36851, 59133, 110553, 216821, 405361, 650463, 847573, 1216083, 2542719, 9323303, 27969909]

約数ペア:

[(1, 27969909), (3, 9323303), (11, 2542719), (23, 1216083), (33, 847573), (43, 650463), (69, 405361), (129, 216821), (253, 110553), (473, 59133), (759, 36851), (857, 32637), (989, 28281), (1419, 19711), (2571, 10879), (2967, 9427)]