489755799

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1$

素因数の和:245

約数の個数: 96

約数和(自身を含む): 849139200

約数和(自身を除く): 359383401

約数列:

[1, 3, 9, 13, 19, 29, 39, 57, 71, 87, 107, 117, 171, 213, 247, 261, 321, 377, 551, 639, 741, 923, 963, 1131, 1349, 1391, 1653, 2033, 2059, 2223, 2769, 3103, 3393, 4047, 4173, 4959, 6099, 6177, 7163, 7597, 8307, 9309, 12141, 12519, 17537, 18297, 18531, 21489, 22791, 26429, 26767, 27927, 39121, 40339, 52611, 58957, 64467, 68373, 79287, 80301, 98761, 117363, 121017, 144343, 157833, 176871, 220313, 237861, 240903, 296283, 352089, 363051, 433029, 508573, 530613, 660939, 766441, 888849, 1299087, 1525719, 1876459, 1982817, 2299323, 2864069, 4185947, 4577157, 5629377, 6897969, 8592207, 12557841, 16888131, 25776621, 37673523, 54417311, 163251933, 489755799]

約数ペア:

[(1, 489755799), (3, 163251933), (9, 54417311), (13, 37673523), (19, 25776621), (29, 16888131), (39, 12557841), (57, 8592207), (71, 6897969), (87, 5629377), (107, 4577157), (117, 4185947), (171, 2864069), (213, 2299323), (247, 1982817), (261, 1876459), (321, 1525719), (377, 1299087), (551, 888849), (639, 766441), (741, 660939), (923, 530613), (963, 508573), (1131, 433029), (1349, 363051), (1391, 352089), (1653, 296283), (2033, 240903), (2059, 237861), (2223, 220313), (2769, 176871), (3103, 157833), (3393, 144343), (4047, 121017), (4173, 117363), (4959, 98761), (6099, 80301), (6177, 79287), (7163, 68373), (7597, 64467), (8307, 58957), (9309, 52611), (12141, 40339), (12519, 39121), (17537, 27927), (18297, 26767), (18531, 26429), (21489, 22791)]