289355313

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{390493}}^1$

素因数の和:390528

約数の個数: 16

約数和(自身を含む): 437353280

約数和(自身を除く): 147997967

約数列:

[1, 3, 13, 19, 39, 57, 247, 741, 390493, 1171479, 5076409, 7419367, 15229227, 22258101, 96451771, 289355313]

約数ペア:

[(1, 289355313), (3, 96451771), (13, 22258101), (19, 15229227), (39, 7419367), (57, 5076409), (247, 1171479), (741, 390493)]