289344939

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{390479}}^1$

素因数の和:390514

約数の個数: 16

約数和(自身を含む): 437337600

約数和(自身を除く): 147992661

約数列:

[1, 3, 13, 19, 39, 57, 247, 741, 390479, 1171437, 5076227, 7419101, 15228681, 22257303, 96448313, 289344939]

約数ペア:

[(1, 289344939), (3, 96448313), (13, 22257303), (19, 15228681), (39, 7419101), (57, 5076227), (247, 1171437), (741, 390479)]