16991611

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{3061}}^1$

素因数の和:3142

約数の個数: 16

約数和(自身を含む): 21262528

約数和(自身を除く): 4270917

約数列:

[1, 7, 13, 61, 91, 427, 793, 3061, 5551, 21427, 39793, 186721, 278551, 1307047, 2427373, 16991611]

約数ペア:

[(1, 16991611), (7, 2427373), (13, 1307047), (61, 278551), (91, 186721), (427, 39793), (793, 21427), (3061, 5551)]