198431373

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{311}}^1\times {\mathrm{1321}}^1$

素因数の和:1665

約数の個数: 32

約数和(自身を含む): 316772352

約数和(自身を除く): 118340979

約数列:

[1, 3, 7, 21, 23, 69, 161, 311, 483, 933, 1321, 2177, 3963, 6531, 7153, 9247, 21459, 27741, 30383, 50071, 91149, 150213, 212681, 410831, 638043, 1232493, 2875817, 8627451, 9449113, 28347339, 66143791, 198431373]

約数ペア:

[(1, 198431373), (3, 66143791), (7, 28347339), (21, 9449113), (23, 8627451), (69, 2875817), (161, 1232493), (311, 638043), (483, 410831), (933, 212681), (1321, 150213), (2177, 91149), (3963, 50071), (6531, 30383), (7153, 27741), (9247, 21459)]