1260984321

素因数分解:

$3^3\times {\mathrm{53}}^1\times {\mathrm{881191}}^1$

素因数の和:881253

約数の個数: 16

約数和(自身を含む): 1903374720

約数和(自身を除く): 642390399

約数列:

[1, 3, 9, 27, 53, 159, 477, 1431, 881191, 2643573, 7930719, 23792157, 46703123, 140109369, 420328107, 1260984321]

約数ペア:

[(1, 1260984321), (3, 420328107), (9, 140109369), (27, 46703123), (53, 23792157), (159, 7930719), (477, 2643573), (1431, 881191)]