2808236475

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{26387}}^1$

素因数の和:26457

約数の個数: 72

約数和(自身を含む): 5614944192

約数和(自身を除く): 2806707717

約数列:

[1, 3, 5, 9, 11, 15, 25, 33, 43, 45, 55, 75, 99, 129, 165, 215, 225, 275, 387, 473, 495, 645, 825, 1075, 1419, 1935, 2365, 2475, 3225, 4257, 7095, 9675, 11825, 21285, 26387, 35475, 79161, 106425, 131935, 237483, 290257, 395805, 659675, 870771, 1134641, 1187415, 1451285, 1979025, 2612313, 3403923, 4353855, 5673205, 5937075, 7256425, 10211769, 12481051, 13061565, 17019615, 21769275, 28366025, 37443153, 51058845, 62405255, 65307825, 85098075, 112329459, 187215765, 255294225, 312026275, 561647295, 936078825, 2808236475]

約数ペア:

[(1, 2808236475), (3, 936078825), (5, 561647295), (9, 312026275), (11, 255294225), (15, 187215765), (25, 112329459), (33, 85098075), (43, 65307825), (45, 62405255), (55, 51058845), (75, 37443153), (99, 28366025), (129, 21769275), (165, 17019615), (215, 13061565), (225, 12481051), (275, 10211769), (387, 7256425), (473, 5937075), (495, 5673205), (645, 4353855), (825, 3403923), (1075, 2612313), (1419, 1979025), (1935, 1451285), (2365, 1187415), (2475, 1134641), (3225, 870771), (4257, 659675), (7095, 395805), (9675, 290257), (11825, 237483), (21285, 131935), (26387, 106425), (35475, 79161)]