1791445761

素因数分解:

$3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{139}}^1$

素因数の和:308

約数の個数: 128

約数和(自身を含む): 3336704000

約数和(自身を除く): 1545258239

約数列:

[1, 3, 7, 9, 19, 21, 27, 37, 57, 63, 97, 111, 133, 139, 171, 189, 259, 291, 333, 399, 417, 513, 679, 703, 777, 873, 973, 999, 1197, 1251, 1843, 2037, 2109, 2331, 2619, 2641, 2919, 3589, 3591, 3753, 4921, 5143, 5529, 6111, 6327, 6993, 7923, 8757, 10767, 12901, 13483, 14763, 15429, 16587, 18333, 18487, 18981, 23769, 25123, 26271, 32301, 36001, 38703, 40449, 44289, 46287, 49761, 55461, 68191, 71307, 75369, 94381, 96903, 97717, 108003, 116109, 121347, 132867, 138861, 166383, 204573, 226107, 256177, 283143, 293151, 324009, 348327, 364041, 477337, 498871, 499149, 613719, 678321, 684019, 768531, 849429, 879453, 972027, 1432011, 1496613, 1793239, 1841157, 2052057, 2305593, 2548287, 2638359, 3492097, 4296033, 4489839, 5379717, 6156171, 6916779, 9478549, 10476291, 12888099, 13469517, 16139151, 18468513, 28435647, 31428873, 48417453, 66349843, 85306941, 94286619, 199049529, 255920823, 597148587, 1791445761]

約数ペア:

[(1, 1791445761), (3, 597148587), (7, 255920823), (9, 199049529), (19, 94286619), (21, 85306941), (27, 66349843), (37, 48417453), (57, 31428873), (63, 28435647), (97, 18468513), (111, 16139151), (133, 13469517), (139, 12888099), (171, 10476291), (189, 9478549), (259, 6916779), (291, 6156171), (333, 5379717), (399, 4489839), (417, 4296033), (513, 3492097), (679, 2638359), (703, 2548287), (777, 2305593), (873, 2052057), (973, 1841157), (999, 1793239), (1197, 1496613), (1251, 1432011), (1843, 972027), (2037, 879453), (2109, 849429), (2331, 768531), (2619, 684019), (2641, 678321), (2919, 613719), (3589, 499149), (3591, 498871), (3753, 477337), (4921, 364041), (5143, 348327), (5529, 324009), (6111, 293151), (6327, 283143), (6993, 256177), (7923, 226107), (8757, 204573), (10767, 166383), (12901, 138861), (13483, 132867), (14763, 121347), (15429, 116109), (16587, 108003), (18333, 97717), (18487, 96903), (18981, 94381), (23769, 75369), (25123, 71307), (26271, 68191), (32301, 55461), (36001, 49761), (38703, 46287), (40449, 44289)]