81959805

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{107137}}^1$

素因数の和:107165

約数の個数: 24

約数和(自身を含む): 150421752

約数和(自身を除く): 68461947

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765, 107137, 321411, 535685, 964233, 1607055, 1821329, 4821165, 5463987, 9106645, 16391961, 27319935, 81959805]

約数ペア:

[(1, 81959805), (3, 27319935), (5, 16391961), (9, 9106645), (15, 5463987), (17, 4821165), (45, 1821329), (51, 1607055), (85, 964233), (153, 535685), (255, 321411), (765, 107137)]