1965321

素因数分解:

$3^2\times {\mathrm{139}}^1\times {\mathrm{1571}}^1$

素因数の和:1716

約数の個数: 12

約数和(自身を含む): 2861040

約数和(自身を除く): 895719

約数列:

[1, 3, 9, 139, 417, 1251, 1571, 4713, 14139, 218369, 655107, 1965321]

約数ペア:

[(1, 1965321), (3, 655107), (9, 218369), (139, 14139), (417, 4713), (1251, 1571)]