66718647

素因数分解:

$3^4\times {\mathrm{29}}^1\times {\mathrm{28403}}^1$

素因数の和:28444

約数の個数: 20

約数和(自身を含む): 103106520

約数和(自身を除く): 36387873

約数列:

[1, 3, 9, 27, 29, 81, 87, 261, 783, 2349, 28403, 85209, 255627, 766881, 823687, 2300643, 2471061, 7413183, 22239549, 66718647]

約数ペア:

[(1, 66718647), (3, 22239549), (9, 7413183), (27, 2471061), (29, 2300643), (81, 823687), (87, 766881), (261, 255627), (783, 85209), (2349, 28403)]