1287291

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{587}}^1$

素因数の和:650

約数の個数: 16

約数和(自身を含む): 1862784

約数和(自身を除く): 575493

約数列:

[1, 3, 17, 43, 51, 129, 587, 731, 1761, 2193, 9979, 25241, 29937, 75723, 429097, 1287291]

約数ペア:

[(1, 1287291), (3, 429097), (17, 75723), (43, 29937), (51, 25241), (129, 9979), (587, 2193), (731, 1761)]