1240335

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{641}}^1$

素因数の和:695

約数の個数: 24

約数和(自身を含む): 2203344

約数和(自身を除く): 963009

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 215, 387, 641, 645, 1923, 1935, 3205, 5769, 9615, 27563, 28845, 82689, 137815, 248067, 413445, 1240335]

約数ペア:

[(1, 1240335), (3, 413445), (5, 248067), (9, 137815), (15, 82689), (43, 28845), (45, 27563), (129, 9615), (215, 5769), (387, 3205), (641, 1935), (645, 1923)]