28306371

素因数分解:

$3^1\times {\mathrm{19}}^2\times {\mathrm{59}}^1\times {\mathrm{443}}^1$

素因数の和:543

約数の個数: 24

約数和(自身を含む): 40599360

約数和(自身を除く): 12292989

約数列:

[1, 3, 19, 57, 59, 177, 361, 443, 1083, 1121, 1329, 3363, 8417, 21299, 25251, 26137, 63897, 78411, 159923, 479769, 496603, 1489809, 9435457, 28306371]

約数ペア:

[(1, 28306371), (3, 9435457), (19, 1489809), (57, 496603), (59, 479769), (177, 159923), (361, 78411), (443, 63897), (1083, 26137), (1121, 25251), (1329, 21299), (3363, 8417)]