18371475

素因数分解:

$3^3\times 5^2\times {\mathrm{17}}^1\times {\mathrm{1601}}^1$

素因数の和:1637

約数の個数: 48

約数和(自身を含む): 35756640

約数和(自身を除く): 17385165

約数列:

[1, 3, 5, 9, 15, 17, 25, 27, 45, 51, 75, 85, 135, 153, 225, 255, 425, 459, 675, 765, 1275, 1601, 2295, 3825, 4803, 8005, 11475, 14409, 24015, 27217, 40025, 43227, 72045, 81651, 120075, 136085, 216135, 244953, 360225, 408255, 680425, 734859, 1080675, 1224765, 2041275, 3674295, 6123825, 18371475]

約数ペア:

[(1, 18371475), (3, 6123825), (5, 3674295), (9, 2041275), (15, 1224765), (17, 1080675), (25, 734859), (27, 680425), (45, 408255), (51, 360225), (75, 244953), (85, 216135), (135, 136085), (153, 120075), (225, 81651), (255, 72045), (425, 43227), (459, 40025), (675, 27217), (765, 24015), (1275, 14409), (1601, 11475), (2295, 8005), (3825, 4803)]