13979721

素因数分解:

$3^1\times 7^1\times {\mathrm{179}}^1\times {\mathrm{3719}}^1$

素因数の和:3908

約数の個数: 16

約数和(自身を含む): 21427200

約数和(自身を除く): 7447479

約数列:

[1, 3, 7, 21, 179, 537, 1253, 3719, 3759, 11157, 26033, 78099, 665701, 1997103, 4659907, 13979721]

約数ペア:

[(1, 13979721), (3, 4659907), (7, 1997103), (21, 665701), (179, 78099), (537, 26033), (1253, 11157), (3719, 3759)]