11971729

素因数分解:

$7^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{167}}^1$

素因数の和:218

約数の個数: 32

約数和(自身を含む): 16128000

約数和(自身を除く): 4156271

約数列:

[1, 7, 11, 19, 49, 77, 133, 167, 209, 343, 539, 931, 1169, 1463, 1837, 3173, 3773, 6517, 8183, 10241, 12859, 22211, 34903, 57281, 71687, 90013, 155477, 244321, 630091, 1088339, 1710247, 11971729]

約数ペア:

[(1, 11971729), (7, 1710247), (11, 1088339), (19, 630091), (49, 244321), (77, 155477), (133, 90013), (167, 71687), (209, 57281), (343, 34903), (539, 22211), (931, 12859), (1169, 10241), (1463, 8183), (1837, 6517), (3173, 3773)]