81100537

素因数分解:

$7^2\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{631}}^1$

素因数の和:749

約数の個数: 24

約数和(自身を含む): 98273472

約数和(自身を除く): 17172935

約数列:

[1, 7, 43, 49, 61, 301, 427, 631, 2107, 2623, 2989, 4417, 18361, 27133, 30919, 38491, 128527, 189931, 269437, 1329517, 1655113, 1886059, 11585791, 81100537]

約数ペア:

[(1, 81100537), (7, 11585791), (43, 1886059), (49, 1655113), (61, 1329517), (301, 269437), (427, 189931), (631, 128527), (2107, 38491), (2623, 30919), (2989, 27133), (4417, 18361)]