520064847

素因数分解:

$3^3\times {\mathrm{71}}^2\times {\mathrm{3821}}^1$

素因数の和:3972

約数の個数: 24

約数和(自身を含む): 781675440

約数和(自身を除く): 261610593

約数列:

[1, 3, 9, 27, 71, 213, 639, 1917, 3821, 5041, 11463, 15123, 34389, 45369, 103167, 136107, 271291, 813873, 2441619, 7324857, 19261661, 57784983, 173354949, 520064847]

約数ペア:

[(1, 520064847), (3, 173354949), (9, 57784983), (27, 19261661), (71, 7324857), (213, 2441619), (639, 813873), (1917, 271291), (3821, 136107), (5041, 103167), (11463, 45369), (15123, 34389)]