255320415

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{810541}}^1$

素因数の和:810559

約数の個数: 24

約数和(自身を含む): 505778208

約数和(自身を除く): 250457793

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 810541, 2431623, 4052705, 5673787, 7294869, 12158115, 17021361, 28368935, 36474345, 51064083, 85106805, 255320415]

約数ペア:

[(1, 255320415), (3, 85106805), (5, 51064083), (7, 36474345), (9, 28368935), (15, 17021361), (21, 12158115), (35, 7294869), (45, 5673787), (63, 4052705), (105, 2431623), (315, 810541)]