16728075

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1$

素因数の和:98

約数の個数: 144

約数和(自身を含む): 39719680

約数和(自身を除く): 22991605

約数列:

[1, 3, 5, 7, 9, 13, 15, 19, 21, 25, 35, 39, 43, 45, 57, 63, 65, 75, 91, 95, 105, 117, 129, 133, 171, 175, 195, 215, 225, 247, 273, 285, 301, 315, 325, 387, 399, 455, 475, 525, 559, 585, 645, 665, 741, 817, 819, 855, 903, 975, 1075, 1197, 1235, 1365, 1425, 1505, 1575, 1677, 1729, 1935, 1995, 2223, 2275, 2451, 2709, 2795, 2925, 3225, 3325, 3705, 3913, 4085, 4095, 4275, 4515, 5031, 5187, 5719, 5985, 6175, 6825, 7353, 7525, 8385, 8645, 9675, 9975, 10621, 11115, 11739, 12255, 13545, 13975, 15561, 17157, 18525, 19565, 20425, 20475, 22575, 25155, 25935, 28595, 29925, 31863, 35217, 36765, 41925, 43225, 51471, 53105, 55575, 58695, 61275, 67725, 74347, 77805, 85785, 95589, 97825, 125775, 129675, 142975, 159315, 176085, 183825, 223041, 257355, 265525, 293475, 371735, 389025, 428925, 477945, 669123, 796575, 880425, 1115205, 1286775, 1858675, 2389725, 3345615, 5576025, 16728075]

約数ペア:

[(1, 16728075), (3, 5576025), (5, 3345615), (7, 2389725), (9, 1858675), (13, 1286775), (15, 1115205), (19, 880425), (21, 796575), (25, 669123), (35, 477945), (39, 428925), (43, 389025), (45, 371735), (57, 293475), (63, 265525), (65, 257355), (75, 223041), (91, 183825), (95, 176085), (105, 159315), (117, 142975), (129, 129675), (133, 125775), (171, 97825), (175, 95589), (195, 85785), (215, 77805), (225, 74347), (247, 67725), (273, 61275), (285, 58695), (301, 55575), (315, 53105), (325, 51471), (387, 43225), (399, 41925), (455, 36765), (475, 35217), (525, 31863), (559, 29925), (585, 28595), (645, 25935), (665, 25155), (741, 22575), (817, 20475), (819, 20425), (855, 19565), (903, 18525), (975, 17157), (1075, 15561), (1197, 13975), (1235, 13545), (1365, 12255), (1425, 11739), (1505, 11115), (1575, 10621), (1677, 9975), (1729, 9675), (1935, 8645), (1995, 8385), (2223, 7525), (2275, 7353), (2451, 6825), (2709, 6175), (2795, 5985), (2925, 5719), (3225, 5187), (3325, 5031), (3705, 4515), (3913, 4275), (4085, 4095)]