18813303

素因数分解:

$3^6\times {\mathrm{131}}^1\times {\mathrm{197}}^1$

素因数の和:346

約数の個数: 28

約数和(自身を含む): 28566648

約数和(自身を除く): 9753345

約数列:

[1, 3, 9, 27, 81, 131, 197, 243, 393, 591, 729, 1179, 1773, 3537, 5319, 10611, 15957, 25807, 31833, 47871, 77421, 95499, 143613, 232263, 696789, 2090367, 6271101, 18813303]

約数ペア:

[(1, 18813303), (3, 6271101), (9, 2090367), (27, 696789), (81, 232263), (131, 143613), (197, 95499), (243, 77421), (393, 47871), (591, 31833), (729, 25807), (1179, 15957), (1773, 10611), (3537, 5319)]