28829025

素因数分解:

$3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{7537}}^1$

素因数の和:7570

約数の個数: 36

約数和(自身を含む): 54680652

約数和(自身を除く): 25851627

約数列:

[1, 3, 5, 9, 15, 17, 25, 45, 51, 75, 85, 153, 225, 255, 425, 765, 1275, 3825, 7537, 22611, 37685, 67833, 113055, 128129, 188425, 339165, 384387, 565275, 640645, 1153161, 1695825, 1921935, 3203225, 5765805, 9609675, 28829025]

約数ペア:

[(1, 28829025), (3, 9609675), (5, 5765805), (9, 3203225), (15, 1921935), (17, 1695825), (25, 1153161), (45, 640645), (51, 565275), (75, 384387), (85, 339165), (153, 188425), (225, 128129), (255, 113055), (425, 67833), (765, 37685), (1275, 22611), (3825, 7537)]