228571791

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1\times {\mathrm{1847}}^1$

素因数の和:2011

約数の個数: 32

約数和(自身を含む): 357654528

約数和(自身を除く): 129082737

約数列:

[1, 3, 7, 21, 71, 83, 213, 249, 497, 581, 1491, 1743, 1847, 5541, 5893, 12929, 17679, 38787, 41251, 123753, 131137, 153301, 393411, 459903, 917959, 1073107, 2753877, 3219321, 10884371, 32653113, 76190597, 228571791]

約数ペア:

[(1, 228571791), (3, 76190597), (7, 32653113), (21, 10884371), (71, 3219321), (83, 2753877), (213, 1073107), (249, 917959), (497, 459903), (581, 393411), (1491, 153301), (1743, 131137), (1847, 123753), (5541, 41251), (5893, 38787), (12929, 17679)]