209747889

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{21599}}^1$

素因数の和:21701

約数の個数: 24

約数和(自身を含む): 330220800

約数和(自身を除く): 120472911

約数列:

[1, 3, 9, 13, 39, 83, 117, 249, 747, 1079, 3237, 9711, 21599, 64797, 194391, 280787, 842361, 1792717, 2527083, 5378151, 16134453, 23305321, 69915963, 209747889]

約数ペア:

[(1, 209747889), (3, 69915963), (9, 23305321), (13, 16134453), (39, 5378151), (83, 2527083), (117, 1792717), (249, 842361), (747, 280787), (1079, 194391), (3237, 64797), (9711, 21599)]