26287947

素因数分解:

$3^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{7873}}^1$

素因数の和:7939

約数の個数: 24

約数和(自身を含む): 44220384

約数和(自身を除く): 17932437

約数列:

[1, 3, 7, 9, 21, 53, 63, 159, 371, 477, 1113, 3339, 7873, 23619, 55111, 70857, 165333, 417269, 495999, 1251807, 2920883, 3755421, 8762649, 26287947]

約数ペア:

[(1, 26287947), (3, 8762649), (7, 3755421), (9, 2920883), (21, 1251807), (53, 495999), (63, 417269), (159, 165333), (371, 70857), (477, 55111), (1113, 23619), (3339, 7873)]