2780061

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{151}}^1$

素因数の和:209

約数の個数: 24

約数和(自身を含む): 4169664

約数和(自身を除く): 1389603

約数列:

[1, 3, 17, 19, 51, 57, 151, 323, 361, 453, 969, 1083, 2567, 2869, 6137, 7701, 8607, 18411, 48773, 54511, 146319, 163533, 926687, 2780061]

約数ペア:

[(1, 2780061), (3, 926687), (17, 163533), (19, 146319), (51, 54511), (57, 48773), (151, 18411), (323, 8607), (361, 7701), (453, 6137), (969, 2869), (1083, 2567)]