13681591

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{557}}^1$

素因数の和:615

約数の個数: 24

約数和(自身を含む): 17811360

約数和(自身を除く): 4129769

約数列:

[1, 7, 11, 29, 77, 121, 203, 319, 557, 847, 2233, 3509, 3899, 6127, 16153, 24563, 42889, 67397, 113071, 177683, 471779, 1243781, 1954513, 13681591]

約数ペア:

[(1, 13681591), (7, 1954513), (11, 1243781), (29, 471779), (77, 177683), (121, 113071), (203, 67397), (319, 42889), (557, 24563), (847, 16153), (2233, 6127), (3509, 3899)]