247059585

素因数分解:

$3^3\times 5^1\times {\mathrm{1830071}}^1$

素因数の和:1830085

約数の個数: 16

約数和(自身を含む): 439217280

約数和(自身を除く): 192157695

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 1830071, 5490213, 9150355, 16470639, 27451065, 49411917, 82353195, 247059585]

約数ペア:

[(1, 247059585), (3, 82353195), (5, 49411917), (9, 27451065), (15, 16470639), (27, 9150355), (45, 5490213), (135, 1830071)]