804933373455

素因数分解:

$3^4\times 5^1\times {\mathrm{1987489811}}^1$

素因数の和:1987489828

約数の個数: 20

約数和(自身を含む): 1442917603512

約数和(自身を除く): 637984230057

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 1987489811, 5962469433, 9937449055, 17887408299, 29812347165, 53662224897, 89437041495, 160986674691, 268311124485, 804933373455]

約数ペア:

[(1, 804933373455), (3, 268311124485), (5, 160986674691), (9, 89437041495), (15, 53662224897), (27, 29812347165), (45, 17887408299), (81, 9937449055), (135, 5962469433), (405, 1987489811)]