81666045

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{106753}}^1$

素因数の和:106781

約数の個数: 24

約数和(自身を含む): 149882616

約数和(自身を除く): 68216571

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765, 106753, 320259, 533765, 960777, 1601295, 1814801, 4803885, 5444403, 9074005, 16333209, 27222015, 81666045]

約数ペア:

[(1, 81666045), (3, 27222015), (5, 16333209), (9, 9074005), (15, 5444403), (17, 4803885), (45, 1814801), (51, 1601295), (85, 960777), (153, 533765), (255, 320259), (765, 106753)]