257816996919

素因数分解:

$3^2\times {\mathrm{191}}^1\times {\mathrm{7243}}^1\times {\mathrm{20707}}^1$

素因数の和:28147

約数の個数: 24

約数和(自身を含む): 374421844992

約数和(自身を除く): 116604848073

約数列:

[1, 3, 9, 191, 573, 1719, 7243, 20707, 21729, 62121, 65187, 186363, 1383413, 3955037, 4150239, 11865111, 12450717, 35595333, 149980801, 449942403, 1349827209, 28646332991, 85938998973, 257816996919]

約数ペア:

[(1, 257816996919), (3, 85938998973), (9, 28646332991), (191, 1349827209), (573, 449942403), (1719, 149980801), (7243, 35595333), (20707, 12450717), (21729, 11865111), (62121, 4150239), (65187, 3955037), (186363, 1383413)]