27289269

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{157}}^1$

素因数の和:290

約数の個数: 48

約数和(自身を含む): 47324160

約数和(自身を除く): 20034891

約数列:

[1, 3, 7, 9, 21, 31, 63, 89, 93, 157, 217, 267, 279, 471, 623, 651, 801, 1099, 1413, 1869, 1953, 2759, 3297, 4867, 5607, 8277, 9891, 13973, 14601, 19313, 24831, 34069, 41919, 43803, 57939, 97811, 102207, 125757, 173817, 293433, 306621, 433163, 880299, 1299489, 3032141, 3898467, 9096423, 27289269]

約数ペア:

[(1, 27289269), (3, 9096423), (7, 3898467), (9, 3032141), (21, 1299489), (31, 880299), (63, 433163), (89, 306621), (93, 293433), (157, 173817), (217, 125757), (267, 102207), (279, 97811), (471, 57939), (623, 43803), (651, 41919), (801, 34069), (1099, 24831), (1413, 19313), (1869, 14601), (1953, 13973), (2759, 9891), (3297, 8277), (4867, 5607)]