28907277

素因数分解:

$3^1\times 7^1\times {\mathrm{191}}^1\times {\mathrm{7207}}^1$

素因数の和:7408

約数の個数: 16

約数和(自身を含む): 44285952

約数和(自身を除く): 15378675

約数列:

[1, 3, 7, 21, 191, 573, 1337, 4011, 7207, 21621, 50449, 151347, 1376537, 4129611, 9635759, 28907277]

約数ペア:

[(1, 28907277), (3, 9635759), (7, 4129611), (21, 1376537), (191, 151347), (573, 50449), (1337, 21621), (4011, 7207)]