2800737

素因数分解:

$3^4\times {\mathrm{71}}^1\times {\mathrm{487}}^1$

素因数の和:570

約数の個数: 20

約数和(自身を含む): 4251456

約数和(自身を除く): 1450719

約数列:

[1, 3, 9, 27, 71, 81, 213, 487, 639, 1461, 1917, 4383, 5751, 13149, 34577, 39447, 103731, 311193, 933579, 2800737]

約数ペア:

[(1, 2800737), (3, 933579), (9, 311193), (27, 103731), (71, 39447), (81, 34577), (213, 13149), (487, 5751), (639, 4383), (1461, 1917)]