27960219

素因数分解:

$3^2\times 7^1\times {\mathrm{347}}^1\times {\mathrm{1279}}^1$

素因数の和:1639

約数の個数: 24

約数和(自身を含む): 46325760

約数和(自身を除く): 18365541

約数列:

[1, 3, 7, 9, 21, 63, 347, 1041, 1279, 2429, 3123, 3837, 7287, 8953, 11511, 21861, 26859, 80577, 443813, 1331439, 3106691, 3994317, 9320073, 27960219]

約数ペア:

[(1, 27960219), (3, 9320073), (7, 3994317), (9, 3106691), (21, 1331439), (63, 443813), (347, 80577), (1041, 26859), (1279, 21861), (2429, 11511), (3123, 8953), (3837, 7287)]