51831171

素因数分解:

$3^6\times 7^2\times {\mathrm{1451}}^1$

素因数の和:1483

約数の個数: 42

約数和(自身を含む): 90461052

約数和(自身を除く): 38629881

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 243, 441, 567, 729, 1323, 1451, 1701, 3969, 4353, 5103, 10157, 11907, 13059, 30471, 35721, 39177, 71099, 91413, 117531, 213297, 274239, 352593, 639891, 822717, 1057779, 1919673, 2468151, 5759019, 7404453, 17277057, 51831171]

約数ペア:

[(1, 51831171), (3, 17277057), (7, 7404453), (9, 5759019), (21, 2468151), (27, 1919673), (49, 1057779), (63, 822717), (81, 639891), (147, 352593), (189, 274239), (243, 213297), (441, 117531), (567, 91413), (729, 71099), (1323, 39177), (1451, 35721), (1701, 30471), (3969, 13059), (4353, 11907), (5103, 10157)]