28020285

素因数分解:

$3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{16829}}^1$

素因数の和:16877

約数の個数: 24

約数和(自身を含む): 49884120

約数和(自身を除く): 21863835

約数列:

[1, 3, 5, 9, 15, 37, 45, 111, 185, 333, 555, 1665, 16829, 50487, 84145, 151461, 252435, 622673, 757305, 1868019, 3113365, 5604057, 9340095, 28020285]

約数ペア:

[(1, 28020285), (3, 9340095), (5, 5604057), (9, 3113365), (15, 1868019), (37, 757305), (45, 622673), (111, 252435), (185, 151461), (333, 84145), (555, 50487), (1665, 16829)]