28749315

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{273803}}^1$

素因数の和:273818

約数の個数: 16

約数和(自身を含む): 52570368

約数和(自身を除く): 23821053

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 273803, 821409, 1369015, 1916621, 4107045, 5749863, 9583105, 28749315]

約数ペア:

[(1, 28749315), (3, 9583105), (5, 5749863), (7, 4107045), (15, 1916621), (21, 1369015), (35, 821409), (105, 273803)]