18116427

素因数分解:

$3^1\times 7^2\times {\mathrm{251}}^1\times {\mathrm{491}}^1$

素因数の和:759

約数の個数: 24

約数和(自身を含む): 28268352

約数和(自身を除く): 10151925

約数列:

[1, 3, 7, 21, 49, 147, 251, 491, 753, 1473, 1757, 3437, 5271, 10311, 12299, 24059, 36897, 72177, 123241, 369723, 862687, 2588061, 6038809, 18116427]

約数ペア:

[(1, 18116427), (3, 6038809), (7, 2588061), (21, 862687), (49, 369723), (147, 123241), (251, 72177), (491, 36897), (753, 24059), (1473, 12299), (1757, 10311), (3437, 5271)]