64553139

素因数分解:

$3^3\times 7^2\times {\mathrm{59}}^1\times {\mathrm{827}}^1$

素因数の和:909

約数の個数: 48

約数和(自身を含む): 113270400

約数和(自身を除く): 48717261

約数列:

[1, 3, 7, 9, 21, 27, 49, 59, 63, 147, 177, 189, 413, 441, 531, 827, 1239, 1323, 1593, 2481, 2891, 3717, 5789, 7443, 8673, 11151, 17367, 22329, 26019, 40523, 48793, 52101, 78057, 121569, 146379, 156303, 341551, 364707, 439137, 1024653, 1094121, 1317411, 2390857, 3073959, 7172571, 9221877, 21517713, 64553139]

約数ペア:

[(1, 64553139), (3, 21517713), (7, 9221877), (9, 7172571), (21, 3073959), (27, 2390857), (49, 1317411), (59, 1094121), (63, 1024653), (147, 439137), (177, 364707), (189, 341551), (413, 156303), (441, 146379), (531, 121569), (827, 78057), (1239, 52101), (1323, 48793), (1593, 40523), (2481, 26019), (2891, 22329), (3717, 17367), (5789, 11151), (7443, 8673)]