18111375

素因数分解:

$3^2\times 5^3\times {\mathrm{17}}^1\times {\mathrm{947}}^1$

素因数の和:985

約数の個数: 48

約数和(自身を含む): 34605792

約数和(自身を除く): 16494417

約数列:

[1, 3, 5, 9, 15, 17, 25, 45, 51, 75, 85, 125, 153, 225, 255, 375, 425, 765, 947, 1125, 1275, 2125, 2841, 3825, 4735, 6375, 8523, 14205, 16099, 19125, 23675, 42615, 48297, 71025, 80495, 118375, 144891, 213075, 241485, 355125, 402475, 724455, 1065375, 1207425, 2012375, 3622275, 6037125, 18111375]

約数ペア:

[(1, 18111375), (3, 6037125), (5, 3622275), (9, 2012375), (15, 1207425), (17, 1065375), (25, 724455), (45, 402475), (51, 355125), (75, 241485), (85, 213075), (125, 144891), (153, 118375), (225, 80495), (255, 71025), (375, 48297), (425, 42615), (765, 23675), (947, 19125), (1125, 16099), (1275, 14205), (2125, 8523), (2841, 6375), (3825, 4735)]