81646854

素因数分解:

$2^1\times 3^1\times {\mathrm{643}}^1\times {\mathrm{21163}}^1$

素因数の和:21811

約数の個数: 16

約数和(自身を含む): 163555392

約数和(自身を除く): 81908538

約数列:

[1, 2, 3, 6, 643, 1286, 1929, 3858, 21163, 42326, 63489, 126978, 13607809, 27215618, 40823427, 81646854]

約数ペア:

[(1, 81646854), (2, 40823427), (3, 27215618), (6, 13607809), (643, 126978), (1286, 63489), (1929, 42326), (3858, 21163)]