56181951

素因数分解:

$3^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{223}}^1$

素因数の和:313

約数の個数: 64

約数和(自身を含む): 100925440

約数和(自身を除く): 44743489

約数列:

[1, 3, 7, 9, 21, 27, 31, 43, 63, 93, 129, 189, 217, 223, 279, 301, 387, 651, 669, 837, 903, 1161, 1333, 1561, 1953, 2007, 2709, 3999, 4683, 5859, 6021, 6913, 8127, 9331, 9589, 11997, 14049, 20739, 27993, 28767, 35991, 42147, 48391, 62217, 67123, 83979, 86301, 145173, 186651, 201369, 251937, 258903, 297259, 435519, 604107, 891777, 1306557, 1812321, 2080813, 2675331, 6242439, 8025993, 18727317, 56181951]

約数ペア:

[(1, 56181951), (3, 18727317), (7, 8025993), (9, 6242439), (21, 2675331), (27, 2080813), (31, 1812321), (43, 1306557), (63, 891777), (93, 604107), (129, 435519), (189, 297259), (217, 258903), (223, 251937), (279, 201369), (301, 186651), (387, 145173), (651, 86301), (669, 83979), (837, 67123), (903, 62217), (1161, 48391), (1333, 42147), (1561, 35991), (1953, 28767), (2007, 27993), (2709, 20739), (3999, 14049), (4683, 11997), (5859, 9589), (6021, 9331), (6913, 8127)]