15840855

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{20707}}^1$

素因数の和:20735

約数の個数: 24

約数和(自身を含む): 29074032

約数和(自身を除く): 13233177

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765, 20707, 62121, 103535, 186363, 310605, 352019, 931815, 1056057, 1760095, 3168171, 5280285, 15840855]

約数ペア:

[(1, 15840855), (3, 5280285), (5, 3168171), (9, 1760095), (15, 1056057), (17, 931815), (45, 352019), (51, 310605), (85, 186363), (153, 103535), (255, 62121), (765, 20707)]