1520449749

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{491}}^1$

素因数の和:735

約数の個数: 96

約数和(自身を含む): 2865408000

約数和(自身を除く): 1344958251

約数列:

[1, 3, 7, 9, 13, 19, 21, 39, 57, 63, 91, 117, 133, 171, 199, 247, 273, 399, 491, 597, 741, 819, 1197, 1393, 1473, 1729, 1791, 2223, 2587, 3437, 3781, 4179, 4419, 5187, 6383, 7761, 9329, 10311, 11343, 12537, 15561, 18109, 19149, 23283, 26467, 27987, 30933, 34029, 44681, 49153, 54327, 57447, 65303, 79401, 83961, 97709, 121277, 134043, 147459, 162981, 195909, 238203, 293127, 344071, 363831, 402129, 442377, 587727, 683963, 848939, 879381, 1032213, 1091493, 1270217, 1856471, 2051889, 2546817, 3096639, 3810651, 5569413, 6155667, 7640451, 8891519, 11431953, 12995297, 16708239, 24134123, 26674557, 38985891, 72402369, 80023671, 116957673, 168938861, 217207107, 506816583, 1520449749]

約数ペア:

[(1, 1520449749), (3, 506816583), (7, 217207107), (9, 168938861), (13, 116957673), (19, 80023671), (21, 72402369), (39, 38985891), (57, 26674557), (63, 24134123), (91, 16708239), (117, 12995297), (133, 11431953), (171, 8891519), (199, 7640451), (247, 6155667), (273, 5569413), (399, 3810651), (491, 3096639), (597, 2546817), (741, 2051889), (819, 1856471), (1197, 1270217), (1393, 1091493), (1473, 1032213), (1729, 879381), (1791, 848939), (2223, 683963), (2587, 587727), (3437, 442377), (3781, 402129), (4179, 363831), (4419, 344071), (5187, 293127), (6383, 238203), (7761, 195909), (9329, 162981), (10311, 147459), (11343, 134043), (12537, 121277), (15561, 97709), (18109, 83961), (19149, 79401), (23283, 65303), (26467, 57447), (27987, 54327), (30933, 49153), (34029, 44681)]