247991085

素因数分解:

$3^3\times 5^1\times {\mathrm{1836971}}^1$

素因数の和:1836985

約数の個数: 16

約数和(自身を含む): 440873280

約数和(自身を除く): 192882195

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 1836971, 5510913, 9184855, 16532739, 27554565, 49598217, 82663695, 247991085]

約数ペア:

[(1, 247991085), (3, 82663695), (5, 49598217), (9, 27554565), (15, 16532739), (27, 9184855), (45, 5510913), (135, 1836971)]