51127881

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{647}}^1$

素因数の和:781

約数の個数: 32

約数和(自身を含む): 80621568

約数和(自身を除く): 29493687

約数列:

[1, 3, 7, 21, 53, 71, 159, 213, 371, 497, 647, 1113, 1491, 1941, 3763, 4529, 11289, 13587, 26341, 34291, 45937, 79023, 102873, 137811, 240037, 321559, 720111, 964677, 2434661, 7303983, 17042627, 51127881]

約数ペア:

[(1, 51127881), (3, 17042627), (7, 7303983), (21, 2434661), (53, 964677), (71, 720111), (159, 321559), (213, 240037), (371, 137811), (497, 102873), (647, 79023), (1113, 45937), (1491, 34291), (1941, 26341), (3763, 13587), (4529, 11289)]