71137311

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{178289}}^1$

素因数の和:178318

約数の個数: 16

約数和(自身を含む): 114105600

約数和(自身を除く): 42968289

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 178289, 534867, 1248023, 3387491, 3744069, 10162473, 23712437, 71137311]

約数ペア:

[(1, 71137311), (3, 23712437), (7, 10162473), (19, 3744069), (21, 3387491), (57, 1248023), (133, 534867), (399, 178289)]