1978200945

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{6280003}}^1$

素因数の和:6280021

約数の個数: 24

約数和(自身を含む): 3918722496

約数和(自身を除く): 1940521551

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 6280003, 18840009, 31400015, 43960021, 56520027, 94200045, 131880063, 219800105, 282600135, 395640189, 659400315, 1978200945]

約数ペア:

[(1, 1978200945), (3, 659400315), (5, 395640189), (7, 282600135), (9, 219800105), (15, 131880063), (21, 94200045), (35, 56520027), (45, 43960021), (63, 31400015), (105, 18840009), (315, 6280003)]