128571004863

素因数分解:

$3^3\times 7^1\times {\mathrm{680269867}}^1$

素因数の和:680269883

約数の個数: 16

約数和(自身を含む): 217686357760

約数和(自身を除く): 89115352897

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 680269867, 2040809601, 4761889069, 6122428803, 14285667207, 18367286409, 42857001621, 128571004863]

約数ペア:

[(1, 128571004863), (3, 42857001621), (7, 18367286409), (9, 14285667207), (21, 6122428803), (27, 4761889069), (63, 2040809601), (189, 680269867)]