30691969

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{2003}}^1$

素因数の和:2220

約数の個数: 16

約数和(自身を含む): 38476800

約数和(自身を除く): 7784831

約数列:

[1, 7, 11, 77, 199, 1393, 2003, 2189, 14021, 15323, 22033, 154231, 398597, 2790179, 4384567, 30691969]

約数ペア:

[(1, 30691969), (7, 4384567), (11, 2790179), (77, 398597), (199, 154231), (1393, 22033), (2003, 15323), (2189, 14021)]