15291199

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{2797}}^1$

素因数の和:2886

約数の個数: 16

約数和(自身を含む): 19339776

約数和(自身を除く): 4048577

約数列:

[1, 7, 11, 71, 77, 497, 781, 2797, 5467, 19579, 30767, 198587, 215369, 1390109, 2184457, 15291199]

約数ペア:

[(1, 15291199), (7, 2184457), (11, 1390109), (71, 215369), (77, 198587), (497, 30767), (781, 19579), (2797, 5467)]