51640953

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{443}}^1$

素因数の和:534

約数の個数: 48

約数和(自身を含む): 87869376

約数和(自身を除く): 36228423

約数列:

[1, 3, 7, 13, 21, 39, 49, 61, 91, 147, 183, 273, 427, 443, 637, 793, 1281, 1329, 1911, 2379, 2989, 3101, 5551, 5759, 8967, 9303, 16653, 17277, 21707, 27023, 38857, 40313, 65121, 81069, 116571, 120939, 189161, 282191, 351299, 567483, 846573, 1053897, 1324127, 2459093, 3972381, 7377279, 17213651, 51640953]

約数ペア:

[(1, 51640953), (3, 17213651), (7, 7377279), (13, 3972381), (21, 2459093), (39, 1324127), (49, 1053897), (61, 846573), (91, 567483), (147, 351299), (183, 282191), (273, 189161), (427, 120939), (443, 116571), (637, 81069), (793, 65121), (1281, 40313), (1329, 38857), (1911, 27023), (2379, 21707), (2989, 17277), (3101, 16653), (5551, 9303), (5759, 8967)]