28080255

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{267431}}^1$

素因数の和:267446

約数の個数: 16

約数和(自身を含む): 51346944

約数和(自身を除く): 23266689

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 267431, 802293, 1337155, 1872017, 4011465, 5616051, 9360085, 28080255]

約数ペア:

[(1, 28080255), (3, 9360085), (5, 5616051), (7, 4011465), (15, 1872017), (21, 1337155), (35, 802293), (105, 267431)]