51681273

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{129527}}^1$

素因数の和:129556

約数の個数: 16

約数和(自身を含む): 82897920

約数和(自身を除く): 31216647

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 129527, 388581, 906689, 2461013, 2720067, 7383039, 17227091, 51681273]

約数ペア:

[(1, 51681273), (3, 17227091), (7, 7383039), (19, 2720067), (21, 2461013), (57, 906689), (133, 388581), (399, 129527)]