1279890915

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1984327}}^1$

素因数の和:1984378

約数の個数: 16

約数和(自身を含む): 2095450368

約数和(自身を除く): 815559453

約数列:

[1, 3, 5, 15, 43, 129, 215, 645, 1984327, 5952981, 9921635, 29764905, 85326061, 255978183, 426630305, 1279890915]

約数ペア:

[(1, 1279890915), (3, 426630305), (5, 255978183), (15, 85326061), (43, 29764905), (129, 9921635), (215, 5952981), (645, 1984327)]