27639549

素因数分解:

$3^5\times 7^1\times {\mathrm{16249}}^1$

素因数の和:16271

約数の個数: 24

約数和(自身を含む): 47320000

約数和(自身を除く): 19680451

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 1701, 16249, 48747, 113743, 146241, 341229, 438723, 1023687, 1316169, 3071061, 3948507, 9213183, 27639549]

約数ペア:

[(1, 27639549), (3, 9213183), (7, 3948507), (9, 3071061), (21, 1316169), (27, 1023687), (63, 438723), (81, 341229), (189, 146241), (243, 113743), (567, 48747), (1701, 16249)]