28682721

素因数分解:

$3^3\times {\mathrm{569}}^1\times {\mathrm{1867}}^1$

素因数の和:2445

約数の個数: 16

約数和(自身を含む): 42590400

約数和(自身を除く): 13907679

約数列:

[1, 3, 9, 27, 569, 1707, 1867, 5121, 5601, 15363, 16803, 50409, 1062323, 3186969, 9560907, 28682721]

約数ペア:

[(1, 28682721), (3, 9560907), (9, 3186969), (27, 1062323), (569, 50409), (1707, 16803), (1867, 15363), (5121, 5601)]