68208777

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1$

素因数の和:140

約数の個数: 128

約数和(自身を含む): 139345920

約数和(自身を除く): 71137143

約数列:

[1, 3, 7, 9, 13, 17, 21, 23, 27, 39, 51, 63, 69, 71, 91, 117, 119, 153, 161, 189, 207, 213, 221, 273, 299, 351, 357, 391, 459, 483, 497, 621, 639, 663, 819, 897, 923, 1071, 1173, 1207, 1449, 1491, 1547, 1633, 1917, 1989, 2093, 2457, 2691, 2737, 2769, 3213, 3519, 3621, 4347, 4473, 4641, 4899, 5083, 5967, 6279, 6461, 8073, 8211, 8307, 8449, 10557, 10863, 11431, 13419, 13923, 14697, 15249, 15691, 18837, 19383, 21229, 24633, 24921, 25347, 27761, 32589, 34293, 35581, 41769, 44091, 45747, 47073, 56511, 58149, 63687, 73899, 76041, 83283, 102879, 106743, 109837, 137241, 141219, 148603, 174447, 191061, 194327, 228123, 249849, 308637, 320229, 329511, 360893, 423657, 445809, 573183, 582981, 749547, 960687, 988533, 1082679, 1337427, 1748943, 2526251, 2965599, 3248037, 4012281, 5246829, 7578753, 9744111, 22736259, 68208777]

約数ペア:

[(1, 68208777), (3, 22736259), (7, 9744111), (9, 7578753), (13, 5246829), (17, 4012281), (21, 3248037), (23, 2965599), (27, 2526251), (39, 1748943), (51, 1337427), (63, 1082679), (69, 988533), (71, 960687), (91, 749547), (117, 582981), (119, 573183), (153, 445809), (161, 423657), (189, 360893), (207, 329511), (213, 320229), (221, 308637), (273, 249849), (299, 228123), (351, 194327), (357, 191061), (391, 174447), (459, 148603), (483, 141219), (497, 137241), (621, 109837), (639, 106743), (663, 102879), (819, 83283), (897, 76041), (923, 73899), (1071, 63687), (1173, 58149), (1207, 56511), (1449, 47073), (1491, 45747), (1547, 44091), (1633, 41769), (1917, 35581), (1989, 34293), (2093, 32589), (2457, 27761), (2691, 25347), (2737, 24921), (2769, 24633), (3213, 21229), (3519, 19383), (3621, 18837), (4347, 15691), (4473, 15249), (4641, 14697), (4899, 13923), (5083, 13419), (5967, 11431), (6279, 10863), (6461, 10557), (8073, 8449), (8211, 8307)]