25780365

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{347}}^1$

素因数の和:498

約数の個数: 48

約数和(自身を含む): 48642048

約数和(自身を除く): 22861683

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 127, 195, 347, 381, 585, 635, 1041, 1143, 1651, 1735, 1905, 3123, 4511, 4953, 5205, 5715, 8255, 13533, 14859, 15615, 22555, 24765, 40599, 44069, 67665, 74295, 132207, 202995, 220345, 396621, 572897, 661035, 1718691, 1983105, 2864485, 5156073, 8593455, 25780365]

約数ペア:

[(1, 25780365), (3, 8593455), (5, 5156073), (9, 2864485), (13, 1983105), (15, 1718691), (39, 661035), (45, 572897), (65, 396621), (117, 220345), (127, 202995), (195, 132207), (347, 74295), (381, 67665), (585, 44069), (635, 40599), (1041, 24765), (1143, 22555), (1651, 15615), (1735, 14859), (1905, 13533), (3123, 8255), (4511, 5715), (4953, 5205)]