509157

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1$

素因数の和:193

約数の個数: 24

約数和(自身を含む): 829920

約数和(自身を除く): 320763

約数列:

[1, 3, 9, 11, 33, 37, 99, 111, 139, 333, 407, 417, 1221, 1251, 1529, 3663, 4587, 5143, 13761, 15429, 46287, 56573, 169719, 509157]

約数ペア:

[(1, 509157), (3, 169719), (9, 56573), (11, 46287), (33, 15429), (37, 13761), (99, 5143), (111, 4587), (139, 3663), (333, 1529), (407, 1251), (417, 1221)]