81861927

素因数分解:

$3^1\times 7^1\times {\mathrm{331}}^1\times {\mathrm{11777}}^1$

素因数の和:12118

約数の個数: 16

約数和(自身を含む): 125129472

約数和(自身を除く): 43267545

約数列:

[1, 3, 7, 21, 331, 993, 2317, 6951, 11777, 35331, 82439, 247317, 3898187, 11694561, 27287309, 81861927]

約数ペア:

[(1, 81861927), (3, 27287309), (7, 11694561), (21, 3898187), (331, 247317), (993, 82439), (2317, 35331), (6951, 11777)]