16320015

素因数分解:

$3^3\times 5^1\times {\mathrm{120889}}^1$

素因数の和:120903

約数の個数: 16

約数和(自身を含む): 29013600

約数和(自身を除く): 12693585

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 120889, 362667, 604445, 1088001, 1813335, 3264003, 5440005, 16320015]

約数ペア:

[(1, 16320015), (3, 5440005), (5, 3264003), (9, 1813335), (15, 1088001), (27, 604445), (45, 362667), (135, 120889)]