27731879

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{4397}}^1$

素因数の和:4474

約数の個数: 16

約数和(自身を含む): 34198848

約数和(自身を除く): 6466969

約数列:

[1, 7, 17, 53, 119, 371, 901, 4397, 6307, 30779, 74749, 233041, 523243, 1631287, 3961697, 27731879]

約数ペア:

[(1, 27731879), (7, 3961697), (17, 1631287), (53, 523243), (119, 233041), (371, 74749), (901, 30779), (4397, 6307)]