4991337981

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^2\times {\mathrm{219467}}^1$

素因数の和:219518

約数の個数: 36

約数和(自身を含む): 8696200032

約数和(自身を除く): 3704862051

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 361, 399, 1083, 1197, 2527, 3249, 7581, 22743, 219467, 658401, 1536269, 1975203, 4169873, 4608807, 12509619, 13826421, 29189111, 37528857, 79227587, 87567333, 237682761, 262701999, 554593109, 713048283, 1663779327, 4991337981]

約数ペア:

[(1, 4991337981), (3, 1663779327), (7, 713048283), (9, 554593109), (19, 262701999), (21, 237682761), (57, 87567333), (63, 79227587), (133, 37528857), (171, 29189111), (361, 13826421), (399, 12509619), (1083, 4608807), (1197, 4169873), (2527, 1975203), (3249, 1536269), (7581, 658401), (22743, 219467)]