26789025

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{21011}}^1$

素因数の和:21041

約数の個数: 24

約数和(自身を含む): 46898784

約数和(自身を除く): 20109759

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 255, 425, 1275, 21011, 63033, 105055, 315165, 357187, 525275, 1071561, 1575825, 1785935, 5357805, 8929675, 26789025]

約数ペア:

[(1, 26789025), (3, 8929675), (5, 5357805), (15, 1785935), (17, 1575825), (25, 1071561), (51, 525275), (75, 357187), (85, 315165), (255, 105055), (425, 63033), (1275, 21011)]