51293151

素因数分解:

$3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{389}}^1$

素因数の和:445

約数の個数: 72

約数和(自身を含む): 97100640

約数和(自身を除く): 45807489

約数列:

[1, 3, 7, 9, 13, 21, 23, 39, 49, 63, 69, 91, 117, 147, 161, 207, 273, 299, 389, 441, 483, 637, 819, 897, 1127, 1167, 1449, 1911, 2093, 2691, 2723, 3381, 3501, 5057, 5733, 6279, 8169, 8947, 10143, 14651, 15171, 18837, 19061, 24507, 26841, 35399, 43953, 45513, 57183, 62629, 80523, 106197, 116311, 131859, 171549, 187887, 247793, 318591, 348933, 438403, 563661, 743379, 814177, 1046799, 1315209, 2230137, 2442531, 3945627, 5699239, 7327593, 17097717, 51293151]

約数ペア:

[(1, 51293151), (3, 17097717), (7, 7327593), (9, 5699239), (13, 3945627), (21, 2442531), (23, 2230137), (39, 1315209), (49, 1046799), (63, 814177), (69, 743379), (91, 563661), (117, 438403), (147, 348933), (161, 318591), (207, 247793), (273, 187887), (299, 171549), (389, 131859), (441, 116311), (483, 106197), (637, 80523), (819, 62629), (897, 57183), (1127, 45513), (1167, 43953), (1449, 35399), (1911, 26841), (2093, 24507), (2691, 19061), (2723, 18837), (3381, 15171), (3501, 14651), (5057, 10143), (5733, 8947), (6279, 8169)]