128870775

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{52069}}^1$

素因数の和:52096

約数の個数: 36

約数和(自身を含む): 251810520

約数和(自身を除く): 122939745

約数列:

[1, 3, 5, 9, 11, 15, 25, 33, 45, 55, 75, 99, 165, 225, 275, 495, 825, 2475, 52069, 156207, 260345, 468621, 572759, 781035, 1301725, 1718277, 2343105, 2863795, 3905175, 5154831, 8591385, 11715525, 14318975, 25774155, 42956925, 128870775]

約数ペア:

[(1, 128870775), (3, 42956925), (5, 25774155), (9, 14318975), (11, 11715525), (15, 8591385), (25, 5154831), (33, 3905175), (45, 2863795), (55, 2343105), (75, 1718277), (99, 1301725), (165, 781035), (225, 572759), (275, 468621), (495, 260345), (825, 156207), (2475, 52069)]