51681903

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{189311}}^1$

素因数の和:189334

約数の個数: 16

約数和(自身を含む): 84811776

約数和(自身を除く): 33129873

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 189311, 567933, 1325177, 2461043, 3975531, 7383129, 17227301, 51681903]

約数ペア:

[(1, 51681903), (3, 17227301), (7, 7383129), (13, 3975531), (21, 2461043), (39, 1325177), (91, 567933), (273, 189311)]