16561485

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{21649}}^1$

素因数の和:21677

約数の個数: 24

約数和(自身を含む): 30396600

約数和(自身を除く): 13835115

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765, 21649, 64947, 108245, 194841, 324735, 368033, 974205, 1104099, 1840165, 3312297, 5520495, 16561485]

約数ペア:

[(1, 16561485), (3, 5520495), (5, 3312297), (9, 1840165), (15, 1104099), (17, 974205), (45, 368033), (51, 324735), (85, 194841), (153, 108245), (255, 64947), (765, 21649)]