71780373

素因数分解:

$3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{26497}}^1$

素因数の和:26553

約数の個数: 24

約数和(自身を含む): 121254848

約数和(自身を除く): 49474475

約数列:

[1, 3, 7, 9, 21, 43, 63, 129, 301, 387, 903, 2709, 26497, 79491, 185479, 238473, 556437, 1139371, 1669311, 3418113, 7975597, 10254339, 23926791, 71780373]

約数ペア:

[(1, 71780373), (3, 23926791), (7, 10254339), (9, 7975597), (21, 3418113), (43, 1669311), (63, 1139371), (129, 556437), (301, 238473), (387, 185479), (903, 79491), (2709, 26497)]