259780401

素因数分解:

$3^2\times {\mathrm{53}}^1\times {\mathrm{544613}}^1$

素因数の和:544672

約数の個数: 12

約数和(自身を含む): 382319028

約数和(自身を除く): 122538627

約数列:

[1, 3, 9, 53, 159, 477, 544613, 1633839, 4901517, 28864489, 86593467, 259780401]

約数ペア:

[(1, 259780401), (3, 86593467), (9, 28864489), (53, 4901517), (159, 1633839), (477, 544613)]