28804935

素因数分解:

$3^1\times 5^1\times {\mathrm{107}}^1\times {\mathrm{131}}^1\times {\mathrm{137}}^1$

素因数の和:383

約数の個数: 32

約数和(自身を含む): 47215872

約数和(自身を除く): 18410937

約数列:

[1, 3, 5, 15, 107, 131, 137, 321, 393, 411, 535, 655, 685, 1605, 1965, 2055, 14017, 14659, 17947, 42051, 43977, 53841, 70085, 73295, 89735, 210255, 219885, 269205, 1920329, 5760987, 9601645, 28804935]

約数ペア:

[(1, 28804935), (3, 9601645), (5, 5760987), (15, 1920329), (107, 269205), (131, 219885), (137, 210255), (321, 89735), (393, 73295), (411, 70085), (535, 53841), (655, 43977), (685, 42051), (1605, 17947), (1965, 14659), (2055, 14017)]