28087659

素因数分解:

$3^2\times {\mathrm{439}}^1\times {\mathrm{7109}}^1$

素因数の和:7554

約数の個数: 12

約数和(自身を含む): 40669200

約数和(自身を除く): 12581541

約数列:

[1, 3, 9, 439, 1317, 3951, 7109, 21327, 63981, 3120851, 9362553, 28087659]

約数ペア:

[(1, 28087659), (3, 9362553), (9, 3120851), (439, 63981), (1317, 21327), (3951, 7109)]