81140199

素因数分解:

$3^1\times 7^1\times {\mathrm{509}}^1\times {\mathrm{7591}}^1$

素因数の和:8110

約数の個数: 16

約数和(自身を含む): 123901440

約数和(自身を除く): 42761241

約数列:

[1, 3, 7, 21, 509, 1527, 3563, 7591, 10689, 22773, 53137, 159411, 3863819, 11591457, 27046733, 81140199]

約数ペア:

[(1, 81140199), (3, 27046733), (7, 11591457), (21, 3863819), (509, 159411), (1527, 53137), (3563, 22773), (7591, 10689)]