129672405

素因数分解:

$3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{20731}}^1$

素因数の和:20881

約数の個数: 24

約数和(自身を含む): 226393440

約数和(自身を除く): 96721035

約数列:

[1, 3, 5, 9, 15, 45, 139, 417, 695, 1251, 2085, 6255, 20731, 62193, 103655, 186579, 310965, 932895, 2881609, 8644827, 14408045, 25934481, 43224135, 129672405]

約数ペア:

[(1, 129672405), (3, 43224135), (5, 25934481), (9, 14408045), (15, 8644827), (45, 2881609), (139, 932895), (417, 310965), (695, 186579), (1251, 103655), (2085, 62193), (6255, 20731)]