55551489

素因数分解:

$3^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{19031}}^1$

素因数の和:19180

約数の個数: 16

約数和(自身を含む): 85263360

約数和(自身を除く): 29711871

約数列:

[1, 3, 7, 21, 139, 417, 973, 2919, 19031, 57093, 133217, 399651, 2645309, 7935927, 18517163, 55551489]

約数ペア:

[(1, 55551489), (3, 18517163), (7, 7935927), (21, 2645309), (139, 399651), (417, 133217), (973, 57093), (2919, 19031)]