206829315

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{197}}^1$

素因数の和:330

約数の個数: 128

約数和(自身を含む): 465315840

約数和(自身を除く): 258486525

約数列:

[1, 3, 5, 7, 9, 11, 15, 21, 27, 33, 35, 45, 55, 63, 77, 99, 101, 105, 135, 165, 189, 197, 231, 297, 303, 315, 385, 495, 505, 591, 693, 707, 909, 945, 985, 1111, 1155, 1379, 1485, 1515, 1773, 2079, 2121, 2167, 2727, 2955, 3333, 3465, 3535, 4137, 4545, 5319, 5555, 6363, 6501, 6895, 7777, 8865, 9999, 10395, 10605, 10835, 12411, 13635, 15169, 16665, 19089, 19503, 19897, 20685, 23331, 26595, 29997, 31815, 32505, 37233, 38885, 45507, 49995, 58509, 59691, 62055, 69993, 75845, 95445, 97515, 99485, 116655, 136521, 139279, 149985, 179073, 186165, 209979, 218867, 227535, 292545, 298455, 349965, 409563, 417837, 537219, 656601, 682605, 696395, 895365, 1049895, 1094335, 1253511, 1532069, 1969803, 2047815, 2089185, 2686095, 3283005, 3760533, 4596207, 5909409, 6267555, 7660345, 9849015, 13788621, 18802665, 22981035, 29547045, 41365863, 68943105, 206829315]

約数ペア:

[(1, 206829315), (3, 68943105), (5, 41365863), (7, 29547045), (9, 22981035), (11, 18802665), (15, 13788621), (21, 9849015), (27, 7660345), (33, 6267555), (35, 5909409), (45, 4596207), (55, 3760533), (63, 3283005), (77, 2686095), (99, 2089185), (101, 2047815), (105, 1969803), (135, 1532069), (165, 1253511), (189, 1094335), (197, 1049895), (231, 895365), (297, 696395), (303, 682605), (315, 656601), (385, 537219), (495, 417837), (505, 409563), (591, 349965), (693, 298455), (707, 292545), (909, 227535), (945, 218867), (985, 209979), (1111, 186165), (1155, 179073), (1379, 149985), (1485, 139279), (1515, 136521), (1773, 116655), (2079, 99485), (2121, 97515), (2167, 95445), (2727, 75845), (2955, 69993), (3333, 62055), (3465, 59691), (3535, 58509), (4137, 49995), (4545, 45507), (5319, 38885), (5555, 37233), (6363, 32505), (6501, 31815), (6895, 29997), (7777, 26595), (8865, 23331), (9999, 20685), (10395, 19897), (10605, 19503), (10835, 19089), (12411, 16665), (13635, 15169)]