1290249

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{937}}^1$

素因数の和:966

約数の個数: 20

約数和(自身を含む): 2042964

約数和(自身を除く): 752715

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 937, 1377, 2811, 8433, 15929, 25299, 47787, 75897, 143361, 430083, 1290249]

約数ペア:

[(1, 1290249), (3, 430083), (9, 143361), (17, 75897), (27, 47787), (51, 25299), (81, 15929), (153, 8433), (459, 2811), (937, 1377)]