128358423

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{347}}^1\times {\mathrm{1787}}^1$

素因数の和:2163

約数の個数: 24

約数和(自身を含む): 194133888

約数和(自身を除く): 65775465

約数列:

[1, 3, 9, 23, 69, 207, 347, 1041, 1787, 3123, 5361, 7981, 16083, 23943, 41101, 71829, 123303, 369909, 620089, 1860267, 5580801, 14262047, 42786141, 128358423]

約数ペア:

[(1, 128358423), (3, 42786141), (9, 14262047), (23, 5580801), (69, 1860267), (207, 620089), (347, 369909), (1041, 123303), (1787, 71829), (3123, 41101), (5361, 23943), (7981, 16083)]