51786783

素因数分解:

$3^4\times {\mathrm{457}}^1\times {\mathrm{1399}}^1$

素因数の和:1868

約数の個数: 20

約数和(自身を含む): 77585200

約数和(自身を除く): 25798417

約数列:

[1, 3, 9, 27, 81, 457, 1371, 1399, 4113, 4197, 12339, 12591, 37017, 37773, 113319, 639343, 1918029, 5754087, 17262261, 51786783]

約数ペア:

[(1, 51786783), (3, 17262261), (9, 5754087), (27, 1918029), (81, 639343), (457, 113319), (1371, 37773), (1399, 37017), (4113, 12591), (4197, 12339)]