28865655

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1$

素因数の和:110

約数の個数: 144

約数和(自身を含む): 67223520

約数和(自身を除く): 38357865

約数列:

[1, 3, 5, 7, 9, 13, 15, 19, 21, 35, 39, 45, 49, 53, 57, 63, 65, 91, 95, 105, 117, 133, 147, 159, 171, 195, 245, 247, 265, 273, 285, 315, 371, 399, 441, 455, 477, 585, 637, 665, 689, 735, 741, 795, 819, 855, 931, 1007, 1113, 1197, 1235, 1365, 1729, 1855, 1911, 1995, 2067, 2205, 2223, 2385, 2597, 2793, 3021, 3185, 3339, 3445, 3705, 4095, 4655, 4823, 5035, 5187, 5565, 5733, 5985, 6201, 7049, 7791, 8379, 8645, 9063, 9555, 10335, 11115, 12103, 12985, 13091, 13965, 14469, 15105, 15561, 16695, 21147, 23373, 24115, 25935, 28665, 31005, 33761, 35245, 36309, 38955, 39273, 41895, 43407, 45315, 49343, 60515, 63441, 65455, 72345, 77805, 91637, 101283, 105735, 108927, 116865, 117819, 148029, 168805, 181545, 196365, 217035, 246715, 274911, 303849, 317205, 444087, 458185, 506415, 544635, 589095, 641459, 740145, 824733, 1374555, 1519245, 1924377, 2220435, 3207295, 4123665, 5773131, 9621885, 28865655]

約数ペア:

[(1, 28865655), (3, 9621885), (5, 5773131), (7, 4123665), (9, 3207295), (13, 2220435), (15, 1924377), (19, 1519245), (21, 1374555), (35, 824733), (39, 740145), (45, 641459), (49, 589095), (53, 544635), (57, 506415), (63, 458185), (65, 444087), (91, 317205), (95, 303849), (105, 274911), (117, 246715), (133, 217035), (147, 196365), (159, 181545), (171, 168805), (195, 148029), (245, 117819), (247, 116865), (265, 108927), (273, 105735), (285, 101283), (315, 91637), (371, 77805), (399, 72345), (441, 65455), (455, 63441), (477, 60515), (585, 49343), (637, 45315), (665, 43407), (689, 41895), (735, 39273), (741, 38955), (795, 36309), (819, 35245), (855, 33761), (931, 31005), (1007, 28665), (1113, 25935), (1197, 24115), (1235, 23373), (1365, 21147), (1729, 16695), (1855, 15561), (1911, 15105), (1995, 14469), (2067, 13965), (2205, 13091), (2223, 12985), (2385, 12103), (2597, 11115), (2793, 10335), (3021, 9555), (3185, 9063), (3339, 8645), (3445, 8379), (3705, 7791), (4095, 7049), (4655, 6201), (4823, 5985), (5035, 5733), (5187, 5565)]