265280361

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1\times {\mathrm{443}}^1$

素因数の和:661

約数の個数: 32

約数和(自身を含む): 376455168

約数和(自身を除く): 111174807

約数列:

[1, 3, 31, 47, 93, 137, 141, 411, 443, 1329, 1457, 4247, 4371, 6439, 12741, 13733, 19317, 20821, 41199, 60691, 62463, 182073, 199609, 598827, 645451, 1881421, 1936353, 2852477, 5644263, 8557431, 88426787, 265280361]

約数ペア:

[(1, 265280361), (3, 88426787), (31, 8557431), (47, 5644263), (93, 2852477), (137, 1936353), (141, 1881421), (411, 645451), (443, 598827), (1329, 199609), (1457, 182073), (4247, 62463), (4371, 60691), (6439, 41199), (12741, 20821), (13733, 19317)]