28710111

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{457}}^1\times {\mathrm{487}}^1$

素因数の和:990

約数の個数: 16

約数和(自身を含む): 39336704

約数和(自身を除く): 10626593

約数列:

[1, 3, 43, 129, 457, 487, 1371, 1461, 19651, 20941, 58953, 62823, 222559, 667677, 9570037, 28710111]

約数ペア:

[(1, 28710111), (3, 9570037), (43, 667677), (129, 222559), (457, 62823), (487, 58953), (1371, 20941), (1461, 19651)]