201366585

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{639259}}^1$

素因数の和:639277

約数の個数: 24

約数和(自身を含む): 398898240

約数和(自身を除く): 197531655

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 639259, 1917777, 3196295, 4474813, 5753331, 9588885, 13424439, 22374065, 28766655, 40273317, 67122195, 201366585]

約数ペア:

[(1, 201366585), (3, 67122195), (5, 40273317), (7, 28766655), (9, 22374065), (15, 13424439), (21, 9588885), (35, 5753331), (45, 4474813), (63, 3196295), (105, 1917777), (315, 639259)]