51255939

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{128461}}^1$

素因数の和:128490

約数の個数: 16

約数和(自身を含む): 82215680

約数和(自身を除く): 30959741

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 128461, 385383, 899227, 2440759, 2697681, 7322277, 17085313, 51255939]

約数ペア:

[(1, 51255939), (3, 17085313), (7, 7322277), (19, 2697681), (21, 2440759), (57, 899227), (133, 385383), (399, 128461)]