205227585

素因数分解:

$3^2\times 5^1\times {\mathrm{1571}}^1\times {\mathrm{2903}}^1$

素因数の和:4485

約数の個数: 24

約数和(自身を含む): 356076864

約数和(自身を除く): 150849279

約数列:

[1, 3, 5, 9, 15, 45, 1571, 2903, 4713, 7855, 8709, 14139, 14515, 23565, 26127, 43545, 70695, 130635, 4560613, 13681839, 22803065, 41045517, 68409195, 205227585]

約数ペア:

[(1, 205227585), (3, 68409195), (5, 41045517), (9, 22803065), (15, 13681839), (45, 4560613), (1571, 130635), (2903, 70695), (4713, 43545), (7855, 26127), (8709, 23565), (14139, 14515)]