51255909

素因数分解:

$3^4\times {\mathrm{211}}^1\times {\mathrm{2999}}^1$

素因数の和:3222

約数の個数: 20

約数和(自身を含む): 76956000

約数和(自身を除く): 25700091

約数列:

[1, 3, 9, 27, 81, 211, 633, 1899, 2999, 5697, 8997, 17091, 26991, 80973, 242919, 632789, 1898367, 5695101, 17085303, 51255909]

約数ペア:

[(1, 51255909), (3, 17085303), (9, 5695101), (27, 1898367), (81, 632789), (211, 242919), (633, 80973), (1899, 26991), (2999, 17091), (5697, 8997)]