18518355

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{8069}}^1$

素因数の和:8100

約数の個数: 32

約数和(自身を含む): 34862400

約数和(自身を除く): 16344045

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 85, 135, 153, 255, 459, 765, 2295, 8069, 24207, 40345, 72621, 121035, 137173, 217863, 363105, 411519, 685865, 1089315, 1234557, 2057595, 3703671, 6172785, 18518355]

約数ペア:

[(1, 18518355), (3, 6172785), (5, 3703671), (9, 2057595), (15, 1234557), (17, 1089315), (27, 685865), (45, 411519), (51, 363105), (85, 217863), (135, 137173), (153, 121035), (255, 72621), (459, 40345), (765, 24207), (2295, 8069)]