28821375

素因数分解:

$3^2\times 5^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1$

素因数の和:186

約数の個数: 96

約数和(自身を含む): 60450624

約数和(自身を除く): 31629249

約数列:

[1, 3, 5, 9, 11, 15, 17, 25, 33, 45, 51, 55, 75, 85, 99, 125, 137, 153, 165, 187, 225, 255, 275, 375, 411, 425, 495, 561, 685, 765, 825, 935, 1125, 1233, 1275, 1375, 1507, 1683, 2055, 2125, 2329, 2475, 2805, 3425, 3825, 4125, 4521, 4675, 6165, 6375, 6987, 7535, 8415, 10275, 11645, 12375, 13563, 14025, 17125, 19125, 20961, 22605, 23375, 25619, 30825, 34935, 37675, 42075, 51375, 58225, 67815, 70125, 76857, 104805, 113025, 128095, 154125, 174675, 188375, 210375, 230571, 291125, 339075, 384285, 524025, 565125, 640475, 873375, 1152855, 1695375, 1921425, 2620125, 3202375, 5764275, 9607125, 28821375]

約数ペア:

[(1, 28821375), (3, 9607125), (5, 5764275), (9, 3202375), (11, 2620125), (15, 1921425), (17, 1695375), (25, 1152855), (33, 873375), (45, 640475), (51, 565125), (55, 524025), (75, 384285), (85, 339075), (99, 291125), (125, 230571), (137, 210375), (153, 188375), (165, 174675), (187, 154125), (225, 128095), (255, 113025), (275, 104805), (375, 76857), (411, 70125), (425, 67815), (495, 58225), (561, 51375), (685, 42075), (765, 37675), (825, 34935), (935, 30825), (1125, 25619), (1233, 23375), (1275, 22605), (1375, 20961), (1507, 19125), (1683, 17125), (2055, 14025), (2125, 13563), (2329, 12375), (2475, 11645), (2805, 10275), (3425, 8415), (3825, 7535), (4125, 6987), (4521, 6375), (4675, 6165)]