215536211

素因数分解:

${\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{1553}}^1$

素因数の和:1643

約数の個数: 24

約数和(自身を含む): 251325312

約数和(自身を除く): 35789101

約数列:

[1, 11, 31, 37, 121, 341, 407, 1147, 1553, 3751, 4477, 12617, 17083, 48143, 57461, 138787, 187913, 529573, 632071, 1781291, 5825303, 6952781, 19594201, 215536211]

約数ペア:

[(1, 215536211), (11, 19594201), (31, 6952781), (37, 5825303), (121, 1781291), (341, 632071), (407, 529573), (1147, 187913), (1553, 138787), (3751, 57461), (4477, 48143), (12617, 17083)]