208584585

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1$

素因数の和:276

約数の個数: 128

約数和(自身を含む): 437944320

約数和(自身を除く): 229359735

約数列:

[1, 3, 5, 9, 11, 15, 23, 27, 31, 33, 45, 55, 69, 93, 99, 115, 135, 155, 165, 197, 207, 253, 279, 297, 341, 345, 465, 495, 591, 621, 713, 759, 837, 985, 1023, 1035, 1265, 1395, 1485, 1705, 1773, 2139, 2167, 2277, 2955, 3069, 3105, 3565, 3795, 4185, 4531, 5115, 5319, 6107, 6417, 6501, 6831, 7843, 8865, 9207, 10695, 10835, 11385, 13593, 15345, 18321, 19251, 19503, 22655, 23529, 26595, 30535, 32085, 32505, 34155, 39215, 40779, 46035, 49841, 54963, 58509, 67177, 67965, 70587, 91605, 96255, 97515, 117645, 122337, 140461, 149523, 164889, 201531, 203895, 211761, 249205, 274815, 292545, 335885, 352935, 421383, 448569, 604593, 611685, 702305, 747615, 824445, 1007655, 1058805, 1264149, 1345707, 1545071, 1813779, 2106915, 2242845, 3022965, 3792447, 4635213, 6320745, 6728535, 7725355, 9068895, 13905639, 18962235, 23176065, 41716917, 69528195, 208584585]

約数ペア:

[(1, 208584585), (3, 69528195), (5, 41716917), (9, 23176065), (11, 18962235), (15, 13905639), (23, 9068895), (27, 7725355), (31, 6728535), (33, 6320745), (45, 4635213), (55, 3792447), (69, 3022965), (93, 2242845), (99, 2106915), (115, 1813779), (135, 1545071), (155, 1345707), (165, 1264149), (197, 1058805), (207, 1007655), (253, 824445), (279, 747615), (297, 702305), (341, 611685), (345, 604593), (465, 448569), (495, 421383), (591, 352935), (621, 335885), (713, 292545), (759, 274815), (837, 249205), (985, 211761), (1023, 203895), (1035, 201531), (1265, 164889), (1395, 149523), (1485, 140461), (1705, 122337), (1773, 117645), (2139, 97515), (2167, 96255), (2277, 91605), (2955, 70587), (3069, 67965), (3105, 67177), (3565, 58509), (3795, 54963), (4185, 49841), (4531, 46035), (5115, 40779), (5319, 39215), (6107, 34155), (6417, 32505), (6501, 32085), (6831, 30535), (7843, 26595), (8865, 23529), (9207, 22655), (10695, 19503), (10835, 19251), (11385, 18321), (13593, 15345)]