17961885

素因数分解:

$3^3\times 5^1\times {\mathrm{133051}}^1$

素因数の和:133065

約数の個数: 16

約数和(自身を含む): 31932480

約数和(自身を除く): 13970595

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 133051, 399153, 665255, 1197459, 1995765, 3592377, 5987295, 17961885]

約数ペア:

[(1, 17961885), (3, 5987295), (5, 3592377), (9, 1995765), (15, 1197459), (27, 665255), (45, 399153), (135, 133051)]