207905391

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{607}}^1\times {\mathrm{2003}}^1$

素因数の和:2635

約数の個数: 24

約数和(自身を含む): 316792320

約数和(自身を除く): 108886929

約数列:

[1, 3, 9, 19, 57, 171, 607, 1821, 2003, 5463, 6009, 11533, 18027, 34599, 38057, 103797, 114171, 342513, 1215821, 3647463, 10942389, 23100599, 69301797, 207905391]

約数ペア:

[(1, 207905391), (3, 69301797), (9, 23100599), (19, 10942389), (57, 3647463), (171, 1215821), (607, 342513), (1821, 114171), (2003, 103797), (5463, 38057), (6009, 34599), (11533, 18027)]