321018243

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{311}}^1$

素因数の和:552

約数の個数: 64

約数和(自身を含む): 559104000

約数和(自身を除く): 238085757

約数列:

[1, 3, 7, 13, 19, 21, 39, 57, 91, 133, 199, 247, 273, 311, 399, 597, 741, 933, 1393, 1729, 2177, 2587, 3781, 4043, 4179, 5187, 5909, 6531, 7761, 11343, 12129, 17727, 18109, 26467, 28301, 41363, 49153, 54327, 61889, 76817, 79401, 84903, 124089, 147459, 185667, 230451, 344071, 433223, 537719, 804557, 1032213, 1175891, 1299669, 1613157, 2413671, 3527673, 5631899, 8231237, 15286583, 16895697, 24693711, 45859749, 107006081, 321018243]

約数ペア:

[(1, 321018243), (3, 107006081), (7, 45859749), (13, 24693711), (19, 16895697), (21, 15286583), (39, 8231237), (57, 5631899), (91, 3527673), (133, 2413671), (199, 1613157), (247, 1299669), (273, 1175891), (311, 1032213), (399, 804557), (597, 537719), (741, 433223), (933, 344071), (1393, 230451), (1729, 185667), (2177, 147459), (2587, 124089), (3781, 84903), (4043, 79401), (4179, 76817), (5187, 61889), (5909, 54327), (6531, 49153), (7761, 41363), (11343, 28301), (12129, 26467), (17727, 18109)]