27256431

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{107}}^1\times {\mathrm{109}}^1$

素因数の和:279

約数の個数: 32

約数和(自身を含む): 39916800

約数和(自身を除く): 12660369

約数列:

[1, 3, 19, 41, 57, 107, 109, 123, 321, 327, 779, 2033, 2071, 2337, 4387, 4469, 6099, 6213, 11663, 13161, 13407, 34989, 83353, 84911, 221597, 250059, 254733, 478183, 664791, 1434549, 9085477, 27256431]

約数ペア:

[(1, 27256431), (3, 9085477), (19, 1434549), (41, 664791), (57, 478183), (107, 254733), (109, 250059), (123, 221597), (321, 84911), (327, 83353), (779, 34989), (2033, 13407), (2071, 13161), (2337, 11663), (4387, 6213), (4469, 6099)]