51581523

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{129277}}^1$

素因数の和:129306

約数の個数: 16

約数和(自身を含む): 82737920

約数和(自身を除く): 31156397

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 129277, 387831, 904939, 2456263, 2714817, 7368789, 17193841, 51581523]

約数ペア:

[(1, 51581523), (3, 17193841), (7, 7368789), (19, 2714817), (21, 2456263), (57, 904939), (133, 387831), (399, 129277)]