27989388

素因数分解:

$2^2\times 3^4\times 7^2\times {\mathrm{41}}^1\times {\mathrm{43}}^1$

素因数の和:114

約数の個数: 180

約数和(自身を含む): 89219592

約数和(自身を除く): 61230204

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 41, 42, 43, 49, 54, 63, 81, 82, 84, 86, 98, 108, 123, 126, 129, 147, 162, 164, 172, 189, 196, 246, 252, 258, 287, 294, 301, 324, 369, 378, 387, 441, 492, 516, 567, 574, 588, 602, 738, 756, 774, 861, 882, 903, 1107, 1134, 1148, 1161, 1204, 1323, 1476, 1548, 1722, 1763, 1764, 1806, 2009, 2107, 2214, 2268, 2322, 2583, 2646, 2709, 3321, 3444, 3483, 3526, 3612, 3969, 4018, 4214, 4428, 4644, 5166, 5289, 5292, 5418, 6027, 6321, 6642, 6966, 7052, 7749, 7938, 8036, 8127, 8428, 10332, 10578, 10836, 12054, 12341, 12642, 13284, 13932, 15498, 15867, 15876, 16254, 18081, 18963, 21156, 23247, 24108, 24381, 24682, 25284, 30996, 31734, 32508, 36162, 37023, 37926, 46494, 47601, 48762, 49364, 54243, 56889, 63468, 72324, 74046, 75852, 86387, 92988, 95202, 97524, 108486, 111069, 113778, 142803, 148092, 162729, 170667, 172774, 190404, 216972, 222138, 227556, 259161, 285606, 325458, 333207, 341334, 345548, 444276, 518322, 571212, 650916, 666414, 682668, 777483, 999621, 1036644, 1332828, 1554966, 1999242, 2332449, 3109932, 3998484, 4664898, 6997347, 9329796, 13994694, 27989388]

約数ペア:

[(1, 27989388), (2, 13994694), (3, 9329796), (4, 6997347), (6, 4664898), (7, 3998484), (9, 3109932), (12, 2332449), (14, 1999242), (18, 1554966), (21, 1332828), (27, 1036644), (28, 999621), (36, 777483), (41, 682668), (42, 666414), (43, 650916), (49, 571212), (54, 518322), (63, 444276), (81, 345548), (82, 341334), (84, 333207), (86, 325458), (98, 285606), (108, 259161), (123, 227556), (126, 222138), (129, 216972), (147, 190404), (162, 172774), (164, 170667), (172, 162729), (189, 148092), (196, 142803), (246, 113778), (252, 111069), (258, 108486), (287, 97524), (294, 95202), (301, 92988), (324, 86387), (369, 75852), (378, 74046), (387, 72324), (441, 63468), (492, 56889), (516, 54243), (567, 49364), (574, 48762), (588, 47601), (602, 46494), (738, 37926), (756, 37023), (774, 36162), (861, 32508), (882, 31734), (903, 30996), (1107, 25284), (1134, 24682), (1148, 24381), (1161, 24108), (1204, 23247), (1323, 21156), (1476, 18963), (1548, 18081), (1722, 16254), (1763, 15876), (1764, 15867), (1806, 15498), (2009, 13932), (2107, 13284), (2214, 12642), (2268, 12341), (2322, 12054), (2583, 10836), (2646, 10578), (2709, 10332), (3321, 8428), (3444, 8127), (3483, 8036), (3526, 7938), (3612, 7749), (3969, 7052), (4018, 6966), (4214, 6642), (4428, 6321), (4644, 6027), (5166, 5418), (5289, 5292)]