408285

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{211}}^1$

素因数の和:265

約数の個数: 24

約数和(自身を含む): 727584

約数和(自身を除く): 319299

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 211, 215, 387, 633, 645, 1055, 1899, 1935, 3165, 9073, 9495, 27219, 45365, 81657, 136095, 408285]

約数ペア:

[(1, 408285), (3, 136095), (5, 81657), (9, 45365), (15, 27219), (43, 9495), (45, 9073), (129, 3165), (211, 1935), (215, 1899), (387, 1055), (633, 645)]