208865655

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{91009}}^1$

素因数の和:91040

約数の個数: 32

約数和(自身を含む): 393163200

約数和(自身を除く): 184297545

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 85, 135, 153, 255, 459, 765, 2295, 91009, 273027, 455045, 819081, 1365135, 1547153, 2457243, 4095405, 4641459, 7735765, 12286215, 13924377, 23207295, 41773131, 69621885, 208865655]

約数ペア:

[(1, 208865655), (3, 69621885), (5, 41773131), (9, 23207295), (15, 13924377), (17, 12286215), (27, 7735765), (45, 4641459), (51, 4095405), (85, 2457243), (135, 1547153), (153, 1365135), (255, 819081), (459, 455045), (765, 273027), (2295, 91009)]