256488897

素因数分解:

$3^1\times 7^1\times {\mathrm{677}}^1\times {\mathrm{18041}}^1$

素因数の和:18728

約数の個数: 16

約数和(自身を含む): 391439232

約数和(自身を除く): 134950335

約数列:

[1, 3, 7, 21, 677, 2031, 4739, 14217, 18041, 54123, 126287, 378861, 12213757, 36641271, 85496299, 256488897]

約数ペア:

[(1, 256488897), (3, 85496299), (7, 36641271), (21, 12213757), (677, 378861), (2031, 126287), (4739, 54123), (14217, 18041)]