161993601

素因数分解:

$3^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1367}}^1$

素因数の和:1416

約数の個数: 80

約数和(自身を含む): 317813760

約数和(自身を除く): 155820159

約数列:

[1, 3, 7, 9, 11, 19, 21, 27, 33, 57, 63, 77, 81, 99, 133, 171, 189, 209, 231, 297, 399, 513, 567, 627, 693, 891, 1197, 1367, 1463, 1539, 1881, 2079, 3591, 4101, 4389, 5643, 6237, 9569, 10773, 12303, 13167, 15037, 16929, 25973, 28707, 36909, 39501, 45111, 77919, 86121, 105259, 110727, 118503, 135333, 181811, 233757, 258363, 285703, 315777, 405999, 545433, 701271, 775089, 857109, 947331, 1217997, 1636299, 1999921, 2103813, 2571327, 2841993, 4908897, 5999763, 7713981, 8525979, 14726691, 17999289, 23141943, 53997867, 161993601]

約数ペア:

[(1, 161993601), (3, 53997867), (7, 23141943), (9, 17999289), (11, 14726691), (19, 8525979), (21, 7713981), (27, 5999763), (33, 4908897), (57, 2841993), (63, 2571327), (77, 2103813), (81, 1999921), (99, 1636299), (133, 1217997), (171, 947331), (189, 857109), (209, 775089), (231, 701271), (297, 545433), (399, 405999), (513, 315777), (567, 285703), (627, 258363), (693, 233757), (891, 181811), (1197, 135333), (1367, 118503), (1463, 110727), (1539, 105259), (1881, 86121), (2079, 77919), (3591, 45111), (4101, 39501), (4389, 36909), (5643, 28707), (6237, 25973), (9569, 16929), (10773, 15037), (12303, 13167)]