1320431055

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{5178161}}^1$

素因数の和:5178186

約数の個数: 16

約数和(自身を含む): 2236965984

約数和(自身を除く): 916534929

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 5178161, 15534483, 25890805, 77672415, 88028737, 264086211, 440143685, 1320431055]

約数ペア:

[(1, 1320431055), (3, 440143685), (5, 264086211), (15, 88028737), (17, 77672415), (51, 25890805), (85, 15534483), (255, 5178161)]