68580519

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{171881}}^1$

素因数の和:171910

約数の個数: 16

約数和(自身を含む): 110004480

約数和(自身を除く): 41423961

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 171881, 515643, 1203167, 3265739, 3609501, 9797217, 22860173, 68580519]

約数ペア:

[(1, 68580519), (3, 22860173), (7, 9797217), (19, 3609501), (21, 3265739), (57, 1203167), (133, 515643), (399, 171881)]