2749202289

素因数分解:

$3^4\times {\mathrm{71}}^1\times {\mathrm{478039}}^1$

素因数の和:478122

約数の個数: 20

約数和(自身を含む): 4164684480

約数和(自身を除く): 1415482191

約数列:

[1, 3, 9, 27, 71, 81, 213, 639, 1917, 5751, 478039, 1434117, 4302351, 12907053, 33940769, 38721159, 101822307, 305466921, 916400763, 2749202289]

約数ペア:

[(1, 2749202289), (3, 916400763), (9, 305466921), (27, 101822307), (71, 38721159), (81, 33940769), (213, 12907053), (639, 4302351), (1917, 1434117), (5751, 478039)]