127520487

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{68449}}^1$

素因数の和:68484

約数の個数: 20

約数和(自身を含む): 198778800

約数和(自身を除く): 71258313

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 621, 1863, 68449, 205347, 616041, 1574327, 1848123, 4722981, 5544369, 14168943, 42506829, 127520487]

約数ペア:

[(1, 127520487), (3, 42506829), (9, 14168943), (23, 5544369), (27, 4722981), (69, 1848123), (81, 1574327), (207, 616041), (621, 205347), (1863, 68449)]