247275945

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{785003}}^1$

素因数の和:785021

約数の個数: 24

約数和(自身を含む): 489842496

約数和(自身を除く): 242566551

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 785003, 2355009, 3925015, 5495021, 7065027, 11775045, 16485063, 27475105, 35325135, 49455189, 82425315, 247275945]

約数ペア:

[(1, 247275945), (3, 82425315), (5, 49455189), (7, 35325135), (9, 27475105), (15, 16485063), (21, 11775045), (35, 7065027), (45, 5495021), (63, 3925015), (105, 2355009), (315, 785003)]