81578267

素因数分解:

${\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{3221}}^1$

素因数の和:3314

約数の個数: 16

約数和(自身を含む): 90731520

約数和(自身を除く): 9153253

約数列:

[1, 19, 31, 43, 589, 817, 1333, 3221, 25327, 61199, 99851, 138503, 1897169, 2631557, 4293593, 81578267]

約数ペア:

[(1, 81578267), (19, 4293593), (31, 2631557), (43, 1897169), (589, 138503), (817, 99851), (1333, 61199), (3221, 25327)]