90120321

素因数分解:

$3^2\times {\mathrm{83}}^1\times {\mathrm{223}}^1\times {\mathrm{541}}^1$

素因数の和:853

約数の個数: 24

約数和(自身を含む): 132577536

約数和(自身を除く): 42457215

約数列:

[1, 3, 9, 83, 223, 249, 541, 669, 747, 1623, 2007, 4869, 18509, 44903, 55527, 120643, 134709, 166581, 361929, 404127, 1085787, 10013369, 30040107, 90120321]

約数ペア:

[(1, 90120321), (3, 30040107), (9, 10013369), (83, 1085787), (223, 404127), (249, 361929), (541, 166581), (669, 134709), (747, 120643), (1623, 55527), (2007, 44903), (4869, 18509)]