28216251

素因数分解:

$3^2\times 7^1\times {\mathrm{447877}}^1$

素因数の和:447890

約数の個数: 12

約数和(自身を含む): 46579312

約数和(自身を除く): 18363061

約数列:

[1, 3, 7, 9, 21, 63, 447877, 1343631, 3135139, 4030893, 9405417, 28216251]

約数ペア:

[(1, 28216251), (3, 9405417), (7, 4030893), (9, 3135139), (21, 1343631), (63, 447877)]