64986789

素因数分解:

$3^1\times 7^2\times {\mathrm{59}}^2\times {\mathrm{127}}^1$

素因数の和:262

約数の個数: 36

約数和(自身を含む): 103340544

約数和(自身を除く): 38353755

約数列:

[1, 3, 7, 21, 49, 59, 127, 147, 177, 381, 413, 889, 1239, 2667, 2891, 3481, 6223, 7493, 8673, 10443, 18669, 22479, 24367, 52451, 73101, 157353, 170569, 367157, 442087, 511707, 1101471, 1326261, 3094609, 9283827, 21662263, 64986789]

約数ペア:

[(1, 64986789), (3, 21662263), (7, 9283827), (21, 3094609), (49, 1326261), (59, 1101471), (127, 511707), (147, 442087), (177, 367157), (381, 170569), (413, 157353), (889, 73101), (1239, 52451), (2667, 24367), (2891, 22479), (3481, 18669), (6223, 10443), (7493, 8673)]