28239855

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{449}}^1\times {\mathrm{599}}^1$

素因数の和:1063

約数の個数: 32

約数和(自身を含む): 51840000

約数和(自身を除く): 23600145

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 449, 599, 1347, 1797, 2245, 2995, 3143, 4193, 6735, 8985, 9429, 12579, 15715, 20965, 47145, 62895, 268951, 806853, 1344755, 1882657, 4034265, 5647971, 9413285, 28239855]

約数ペア:

[(1, 28239855), (3, 9413285), (5, 5647971), (7, 4034265), (15, 1882657), (21, 1344755), (35, 806853), (105, 268951), (449, 62895), (599, 47145), (1347, 20965), (1797, 15715), (2245, 12579), (2995, 9429), (3143, 8985), (4193, 6735)]