13638219

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^2\times {\mathrm{257}}^1$

素因数の和:312

約数の個数: 36

約数和(自身を含む): 22411944

約数和(自身を除く): 8773725

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 257, 361, 399, 771, 931, 1083, 1799, 2527, 2793, 4883, 5397, 7581, 12593, 14649, 17689, 34181, 37779, 53067, 92777, 102543, 239267, 278331, 649439, 717801, 1948317, 4546073, 13638219]

約数ペア:

[(1, 13638219), (3, 4546073), (7, 1948317), (19, 717801), (21, 649439), (49, 278331), (57, 239267), (133, 102543), (147, 92777), (257, 53067), (361, 37779), (399, 34181), (771, 17689), (931, 14649), (1083, 12593), (1799, 7581), (2527, 5397), (2793, 4883)]