16280025

素因数分解:

$3^1\times 5^2\times {\mathrm{131}}^1\times {\mathrm{1657}}^1$

素因数の和:1801

約数の個数: 24

約数和(自身を含む): 27138144

約数和(自身を除く): 10858119

約数列:

[1, 3, 5, 15, 25, 75, 131, 393, 655, 1657, 1965, 3275, 4971, 8285, 9825, 24855, 41425, 124275, 217067, 651201, 1085335, 3256005, 5426675, 16280025]

約数ペア:

[(1, 16280025), (3, 5426675), (5, 3256005), (15, 1085335), (25, 651201), (75, 217067), (131, 124275), (393, 41425), (655, 24855), (1657, 9825), (1965, 8285), (3275, 4971)]