256880025

素因数分解:

$3^3\times 5^2\times {\mathrm{380563}}^1$

素因数の和:380582

約数の個数: 24

約数和(自身を含む): 471899360

約数和(自身を除く): 215019335

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 135, 225, 675, 380563, 1141689, 1902815, 3425067, 5708445, 9514075, 10275201, 17125335, 28542225, 51376005, 85626675, 256880025]

約数ペア:

[(1, 256880025), (3, 85626675), (5, 51376005), (9, 28542225), (15, 17125335), (25, 10275201), (27, 9514075), (45, 5708445), (75, 3425067), (135, 1902815), (225, 1141689), (675, 380563)]