3997431

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{2903}}^1$

素因数の和:2932

約数の個数: 20

約数和(自身を含む): 6324912

約数和(自身を除く): 2327481

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 2903, 8709, 26127, 49351, 78381, 148053, 235143, 444159, 1332477, 3997431]

約数ペア:

[(1, 3997431), (3, 1332477), (9, 444159), (17, 235143), (27, 148053), (51, 78381), (81, 49351), (153, 26127), (459, 8709), (1377, 2903)]