251570974065

素因数分解:

$3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{128025941}}^1$

素因数の和:128026080

約数の個数: 16

約数和(自身を含む): 405586184256

約数和(自身を除く): 154015210191

約数列:

[1, 3, 5, 15, 131, 393, 655, 1965, 128025941, 384077823, 640129705, 1920389115, 16771398271, 50314194813, 83856991355, 251570974065]

約数ペア:

[(1, 251570974065), (3, 83856991355), (5, 50314194813), (15, 16771398271), (131, 1920389115), (393, 640129705), (655, 384077823), (1965, 128025941)]