54321375

素因数分解:

$3^1\times 5^3\times {\mathrm{17}}^1\times {\mathrm{8521}}^1$

素因数の和:8556

約数の個数: 32

約数和(自身を含む): 95719104

約数和(自身を除く): 41397729

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 125, 255, 375, 425, 1275, 2125, 6375, 8521, 25563, 42605, 127815, 144857, 213025, 434571, 639075, 724285, 1065125, 2172855, 3195375, 3621425, 10864275, 18107125, 54321375]

約数ペア:

[(1, 54321375), (3, 18107125), (5, 10864275), (15, 3621425), (17, 3195375), (25, 2172855), (51, 1065125), (75, 724285), (85, 639075), (125, 434571), (255, 213025), (375, 144857), (425, 127815), (1275, 42605), (2125, 25563), (6375, 8521)]