210317457

素因数分解:

$3^1\times 7^2\times {\mathrm{887}}^1\times {\mathrm{1613}}^1$

素因数の和:2517

約数の個数: 24

約数和(自身を含む): 326776896

約数和(自身を除く): 116459439

約数列:

[1, 3, 7, 21, 49, 147, 887, 1613, 2661, 4839, 6209, 11291, 18627, 33873, 43463, 79037, 130389, 237111, 1430731, 4292193, 10015117, 30045351, 70105819, 210317457]

約数ペア:

[(1, 210317457), (3, 70105819), (7, 30045351), (21, 10015117), (49, 4292193), (147, 1430731), (887, 237111), (1613, 130389), (2661, 79037), (4839, 43463), (6209, 33873), (11291, 18627)]