128423865

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{503623}}^1$

素因数の和:503648

約数の個数: 16

約数和(自身を含む): 217565568

約数和(自身を除く): 89141703

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 503623, 1510869, 2518115, 7554345, 8561591, 25684773, 42807955, 128423865]

約数ペア:

[(1, 128423865), (3, 42807955), (5, 25684773), (15, 8561591), (17, 7554345), (51, 2518115), (85, 1510869), (255, 503623)]