81220097

素因数分解:

$7^2\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{937}}^1$

素因数の和:1041

約数の個数: 24

約数和(自身を含む): 99446760

約数和(自身を除く): 18226663

約数列:

[1, 7, 29, 49, 61, 203, 427, 937, 1421, 1769, 2989, 6559, 12383, 27173, 45913, 57157, 86681, 190211, 400099, 1331477, 1657553, 2800693, 11602871, 81220097]

約数ペア:

[(1, 81220097), (7, 11602871), (29, 2800693), (49, 1657553), (61, 1331477), (203, 400099), (427, 190211), (937, 86681), (1421, 57157), (1769, 45913), (2989, 27173), (6559, 12383)]