505161

素因数分解:

$3^2\times {\mathrm{37}}^2\times {\mathrm{41}}^1$

素因数の和:121

約数の個数: 18

約数和(自身を含む): 768222

約数和(自身を除く): 263061

約数列:

[1, 3, 9, 37, 41, 111, 123, 333, 369, 1369, 1517, 4107, 4551, 12321, 13653, 56129, 168387, 505161]

約数ペア:

[(1, 505161), (3, 168387), (9, 56129), (37, 13653), (41, 12321), (111, 4551), (123, 4107), (333, 1517), (369, 1369)]