1993663

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1$

素因数の和:127

約数の個数: 24

約数和(自身を含む): 2544480

約数和(自身を除く): 550817

約数列:

[1, 7, 23, 29, 49, 61, 161, 203, 427, 667, 1127, 1403, 1421, 1769, 2989, 4669, 9821, 12383, 32683, 40687, 68747, 86681, 284809, 1993663]

約数ペア:

[(1, 1993663), (7, 284809), (23, 86681), (29, 68747), (49, 40687), (61, 32683), (161, 12383), (203, 9821), (427, 4669), (667, 2989), (1127, 1769), (1403, 1421)]