81959958

素因数分解:

$2^1\times 3^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1$

素因数の和:211

約数の個数: 128

約数和(自身を含む): 210124800

約数和(自身を除く): 128164842

約数列:

[1, 2, 3, 6, 9, 17, 18, 19, 27, 34, 37, 38, 51, 54, 57, 74, 102, 111, 114, 127, 153, 171, 222, 254, 306, 323, 333, 342, 381, 459, 513, 629, 646, 666, 703, 762, 918, 969, 999, 1026, 1143, 1258, 1406, 1887, 1938, 1998, 2109, 2159, 2286, 2413, 2907, 3429, 3774, 4218, 4318, 4699, 4826, 5661, 5814, 6327, 6477, 6858, 7239, 8721, 9398, 11322, 11951, 12654, 12954, 14097, 14478, 16983, 17442, 18981, 19431, 21717, 23902, 28194, 33966, 35853, 37962, 38862, 41021, 42291, 43434, 58293, 65151, 71706, 79883, 82042, 84582, 89281, 107559, 116586, 123063, 126873, 130302, 159766, 178562, 215118, 239649, 246126, 253746, 267843, 322677, 369189, 479298, 535686, 645354, 718947, 738378, 803529, 1107567, 1437894, 1517777, 1607058, 2156841, 2215134, 2410587, 3035554, 4313682, 4553331, 4821174, 9106662, 13659993, 27319986, 40979979, 81959958]

約数ペア:

[(1, 81959958), (2, 40979979), (3, 27319986), (6, 13659993), (9, 9106662), (17, 4821174), (18, 4553331), (19, 4313682), (27, 3035554), (34, 2410587), (37, 2215134), (38, 2156841), (51, 1607058), (54, 1517777), (57, 1437894), (74, 1107567), (102, 803529), (111, 738378), (114, 718947), (127, 645354), (153, 535686), (171, 479298), (222, 369189), (254, 322677), (306, 267843), (323, 253746), (333, 246126), (342, 239649), (381, 215118), (459, 178562), (513, 159766), (629, 130302), (646, 126873), (666, 123063), (703, 116586), (762, 107559), (918, 89281), (969, 84582), (999, 82042), (1026, 79883), (1143, 71706), (1258, 65151), (1406, 58293), (1887, 43434), (1938, 42291), (1998, 41021), (2109, 38862), (2159, 37962), (2286, 35853), (2413, 33966), (2907, 28194), (3429, 23902), (3774, 21717), (4218, 19431), (4318, 18981), (4699, 17442), (4826, 16983), (5661, 14478), (5814, 14097), (6327, 12954), (6477, 12654), (6858, 11951), (7239, 11322), (8721, 9398)]