28085967

素因数分解:

$3^3\times 7^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1$

素因数の和:130

約数の個数: 96

約数和(自身を含む): 55157760

約数和(自身を除く): 27071793

約数列:

[1, 3, 7, 9, 13, 21, 23, 27, 39, 49, 63, 69, 71, 91, 117, 147, 161, 189, 207, 213, 273, 299, 351, 441, 483, 497, 621, 637, 639, 819, 897, 923, 1127, 1323, 1449, 1491, 1633, 1911, 1917, 2093, 2457, 2691, 2769, 3381, 3479, 4347, 4473, 4899, 5733, 6279, 6461, 8073, 8307, 10143, 10437, 11431, 13419, 14651, 14697, 17199, 18837, 19383, 21229, 24921, 30429, 31311, 34293, 43953, 44091, 45227, 56511, 58149, 63687, 80017, 93933, 102879, 131859, 135681, 148603, 174447, 191061, 240051, 308637, 395577, 407043, 445809, 573183, 720153, 1040221, 1221129, 1337427, 2160459, 3120663, 4012281, 9361989, 28085967]

約数ペア:

[(1, 28085967), (3, 9361989), (7, 4012281), (9, 3120663), (13, 2160459), (21, 1337427), (23, 1221129), (27, 1040221), (39, 720153), (49, 573183), (63, 445809), (69, 407043), (71, 395577), (91, 308637), (117, 240051), (147, 191061), (161, 174447), (189, 148603), (207, 135681), (213, 131859), (273, 102879), (299, 93933), (351, 80017), (441, 63687), (483, 58149), (497, 56511), (621, 45227), (637, 44091), (639, 43953), (819, 34293), (897, 31311), (923, 30429), (1127, 24921), (1323, 21229), (1449, 19383), (1491, 18837), (1633, 17199), (1911, 14697), (1917, 14651), (2093, 13419), (2457, 11431), (2691, 10437), (2769, 10143), (3381, 8307), (3479, 8073), (4347, 6461), (4473, 6279), (4899, 5733)]