81498813

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{27749}}^1$

素因数の和:27852

約数の個数: 16

約数和(自身を含む): 119880000

約数和(自身を除く): 38381187

約数列:

[1, 3, 11, 33, 89, 267, 979, 2937, 27749, 83247, 305239, 915717, 2469661, 7408983, 27166271, 81498813]

約数ペア:

[(1, 81498813), (3, 27166271), (11, 7408983), (33, 2469661), (89, 915717), (267, 305239), (979, 83247), (2937, 27749)]