289787589

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{131}}^1$

素因数の和:267

約数の個数: 96

約数和(自身を含む): 540443904

約数和(自身を除く): 250656315

約数列:

[1, 3, 7, 9, 13, 21, 37, 39, 63, 73, 91, 111, 117, 131, 219, 259, 273, 333, 393, 481, 511, 657, 777, 819, 917, 949, 1179, 1443, 1533, 1703, 2331, 2701, 2751, 2847, 3367, 4329, 4599, 4847, 5109, 6643, 8103, 8253, 8541, 9563, 10101, 11921, 14541, 15327, 18907, 19929, 24309, 28689, 30303, 33929, 35113, 35763, 43623, 56721, 59787, 63011, 66941, 86067, 101787, 105339, 107289, 124319, 170163, 189033, 200823, 245791, 305361, 316017, 353831, 372957, 441077, 567099, 602469, 737373, 870233, 1061493, 1118871, 1323231, 2212119, 2476817, 2610699, 3184479, 3969693, 4599803, 7430451, 7832097, 13799409, 22291353, 32198621, 41398227, 96595863, 289787589]

約数ペア:

[(1, 289787589), (3, 96595863), (7, 41398227), (9, 32198621), (13, 22291353), (21, 13799409), (37, 7832097), (39, 7430451), (63, 4599803), (73, 3969693), (91, 3184479), (111, 2610699), (117, 2476817), (131, 2212119), (219, 1323231), (259, 1118871), (273, 1061493), (333, 870233), (393, 737373), (481, 602469), (511, 567099), (657, 441077), (777, 372957), (819, 353831), (917, 316017), (949, 305361), (1179, 245791), (1443, 200823), (1533, 189033), (1703, 170163), (2331, 124319), (2701, 107289), (2751, 105339), (2847, 101787), (3367, 86067), (4329, 66941), (4599, 63011), (4847, 59787), (5109, 56721), (6643, 43623), (8103, 35763), (8253, 35113), (8541, 33929), (9563, 30303), (10101, 28689), (11921, 24309), (14541, 19929), (15327, 18907)]