72711681

素因数分解:

$3^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{26431}}^1$

素因数の和:26572

約数の個数: 16

約数和(自身を含む): 111648768

約数和(自身を除く): 38937087

約数列:

[1, 3, 7, 21, 131, 393, 917, 2751, 26431, 79293, 185017, 555051, 3462461, 10387383, 24237227, 72711681]

約数ペア:

[(1, 72711681), (3, 24237227), (7, 10387383), (21, 3462461), (131, 555051), (393, 185017), (917, 79293), (2751, 26431)]