27986949

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{109}}^1\times {\mathrm{607}}^1$

素因数の和:769

約数の個数: 24

約数和(自身を含む): 41733120

約数和(自身を除く): 13746171

約数列:

[1, 3, 9, 47, 109, 141, 327, 423, 607, 981, 1821, 5123, 5463, 15369, 28529, 46107, 66163, 85587, 198489, 256761, 595467, 3109661, 9328983, 27986949]

約数ペア:

[(1, 27986949), (3, 9328983), (9, 3109661), (47, 595467), (109, 256761), (141, 198489), (327, 85587), (423, 66163), (607, 46107), (981, 28529), (1821, 15369), (5123, 5463)]