1638962829

素因数分解:

$3^5\times 7^2\times {\mathrm{59}}^1\times {\mathrm{2333}}^1$

素因数の和:2421

約数の個数: 72

約数和(自身を含む): 2905549920

約数和(自身を除く): 1266587091

約数列:

[1, 3, 7, 9, 21, 27, 49, 59, 63, 81, 147, 177, 189, 243, 413, 441, 531, 567, 1239, 1323, 1593, 1701, 2333, 2891, 3717, 3969, 4779, 6999, 8673, 11151, 11907, 14337, 16331, 20997, 26019, 33453, 48993, 62991, 78057, 100359, 114317, 137647, 146979, 188973, 234171, 342951, 412941, 440937, 566919, 702513, 963529, 1028853, 1238823, 1322811, 2890587, 3086559, 3716469, 3968433, 6744703, 8671761, 9259677, 11149407, 20234109, 26015283, 27779031, 33448221, 60702327, 78045849, 182106981, 234137547, 546320943, 1638962829]

約数ペア:

[(1, 1638962829), (3, 546320943), (7, 234137547), (9, 182106981), (21, 78045849), (27, 60702327), (49, 33448221), (59, 27779031), (63, 26015283), (81, 20234109), (147, 11149407), (177, 9259677), (189, 8671761), (243, 6744703), (413, 3968433), (441, 3716469), (531, 3086559), (567, 2890587), (1239, 1322811), (1323, 1238823), (1593, 1028853), (1701, 963529), (2333, 702513), (2891, 566919), (3717, 440937), (3969, 412941), (4779, 342951), (6999, 234171), (8673, 188973), (11151, 146979), (11907, 137647), (14337, 114317), (16331, 100359), (20997, 78057), (26019, 62991), (33453, 48993)]