2647863

素因数分解:

$3^3\times {\mathrm{281}}^1\times {\mathrm{349}}^1$

素因数の和:639

約数の個数: 16

約数和(自身を含む): 3948000

約数和(自身を除く): 1300137

約数列:

[1, 3, 9, 27, 281, 349, 843, 1047, 2529, 3141, 7587, 9423, 98069, 294207, 882621, 2647863]

約数ペア:

[(1, 2647863), (3, 882621), (9, 294207), (27, 98069), (281, 9423), (349, 7587), (843, 3141), (1047, 2529)]