399579297

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{140351}}^1$

素因数の和:140440

約数の個数: 16

約数和(自身を含む): 581618688

約数和(自身を除く): 182039391

約数列:

[1, 3, 13, 39, 73, 219, 949, 2847, 140351, 421053, 1824563, 5473689, 10245623, 30736869, 133193099, 399579297]

約数ペア:

[(1, 399579297), (3, 133193099), (13, 30736869), (39, 10245623), (73, 5473689), (219, 1824563), (949, 421053), (2847, 140351)]