1978972023

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{5543339}}^1$

素因数の和:5543366

約数の個数: 16

約数和(自身を含む): 3192963840

約数和(自身を除く): 1213991817

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 5543339, 16630017, 38803373, 94236763, 116410119, 282710289, 659657341, 1978972023]

約数ペア:

[(1, 1978972023), (3, 659657341), (7, 282710289), (17, 116410119), (21, 94236763), (51, 38803373), (119, 16630017), (357, 5543339)]