428428143

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{2999}}^1$

素因数の和:3069

約数の個数: 64

約数和(自身を含む): 766080000

約数和(自身を除く): 337651857

約数列:

[1, 3, 9, 11, 13, 27, 33, 37, 39, 99, 111, 117, 143, 297, 333, 351, 407, 429, 481, 999, 1221, 1287, 1443, 2999, 3663, 3861, 4329, 5291, 8997, 10989, 12987, 15873, 26991, 32989, 38987, 47619, 80973, 98967, 110963, 116961, 142857, 296901, 332889, 350883, 428857, 890703, 998667, 1052649, 1220593, 1286571, 1442519, 2996001, 3661779, 3859713, 4327557, 10985337, 11579139, 12982671, 15867709, 32956011, 38948013, 47603127, 142809381, 428428143]

約数ペア:

[(1, 428428143), (3, 142809381), (9, 47603127), (11, 38948013), (13, 32956011), (27, 15867709), (33, 12982671), (37, 11579139), (39, 10985337), (99, 4327557), (111, 3859713), (117, 3661779), (143, 2996001), (297, 1442519), (333, 1286571), (351, 1220593), (407, 1052649), (429, 998667), (481, 890703), (999, 428857), (1221, 350883), (1287, 332889), (1443, 296901), (2999, 142857), (3663, 116961), (3861, 110963), (4329, 98967), (5291, 80973), (8997, 47619), (10989, 38987), (12987, 32989), (15873, 26991)]