540423

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1$

素因数の和:199

約数の個数: 24

約数和(自身を含む): 873600

約数和(自身を除く): 333177

約数列:

[1, 3, 9, 13, 31, 39, 93, 117, 149, 279, 403, 447, 1209, 1341, 1937, 3627, 4619, 5811, 13857, 17433, 41571, 60047, 180141, 540423]

約数ペア:

[(1, 540423), (3, 180141), (9, 60047), (13, 41571), (31, 17433), (39, 13857), (93, 5811), (117, 4619), (149, 3627), (279, 1937), (403, 1341), (447, 1209)]