220148019

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1$

素因数の和:122

約数の個数: 144

約数和(自身を含む): 438497280

約数和(自身を除く): 218349261

約数列:

[1, 3, 7, 9, 13, 21, 23, 29, 31, 39, 63, 69, 87, 91, 93, 117, 161, 169, 203, 207, 217, 261, 273, 279, 299, 377, 403, 483, 507, 609, 651, 667, 713, 819, 897, 899, 1131, 1183, 1209, 1449, 1521, 1827, 1953, 2001, 2093, 2139, 2639, 2691, 2697, 2821, 3393, 3549, 3627, 3887, 4669, 4901, 4991, 5239, 6003, 6279, 6293, 6417, 7917, 8091, 8463, 8671, 9269, 10647, 11661, 11687, 14007, 14703, 14973, 15717, 18837, 18879, 20677, 23751, 25389, 26013, 27209, 27807, 34307, 34983, 35061, 36673, 42021, 44109, 44919, 47151, 56637, 60697, 62031, 64883, 78039, 81627, 81809, 83421, 102921, 105183, 110019, 112723, 120497, 144739, 151931, 182091, 186093, 194649, 244881, 245427, 268801, 308763, 330057, 338169, 361491, 434217, 455793, 546273, 583947, 736281, 789061, 806403, 843479, 1014507, 1063517, 1084473, 1302651, 1367379, 1881607, 2367183, 2419209, 2530437, 3190551, 3494413, 5644821, 7101549, 7591311, 9571653, 10483239, 16934463, 24460891, 31449717, 73382673, 220148019]

約数ペア:

[(1, 220148019), (3, 73382673), (7, 31449717), (9, 24460891), (13, 16934463), (21, 10483239), (23, 9571653), (29, 7591311), (31, 7101549), (39, 5644821), (63, 3494413), (69, 3190551), (87, 2530437), (91, 2419209), (93, 2367183), (117, 1881607), (161, 1367379), (169, 1302651), (203, 1084473), (207, 1063517), (217, 1014507), (261, 843479), (273, 806403), (279, 789061), (299, 736281), (377, 583947), (403, 546273), (483, 455793), (507, 434217), (609, 361491), (651, 338169), (667, 330057), (713, 308763), (819, 268801), (897, 245427), (899, 244881), (1131, 194649), (1183, 186093), (1209, 182091), (1449, 151931), (1521, 144739), (1827, 120497), (1953, 112723), (2001, 110019), (2093, 105183), (2139, 102921), (2639, 83421), (2691, 81809), (2697, 81627), (2821, 78039), (3393, 64883), (3549, 62031), (3627, 60697), (3887, 56637), (4669, 47151), (4901, 44919), (4991, 44109), (5239, 42021), (6003, 36673), (6279, 35061), (6293, 34983), (6417, 34307), (7917, 27807), (8091, 27209), (8463, 26013), (8671, 25389), (9269, 23751), (10647, 20677), (11661, 18879), (11687, 18837), (14007, 15717), (14703, 14973)]