13257891

素因数分解:

$3^3\times {\mathrm{317}}^1\times {\mathrm{1549}}^1$

素因数の和:1875

約数の個数: 16

約数和(自身を含む): 19716000

約数和(自身を除く): 6458109

約数列:

[1, 3, 9, 27, 317, 951, 1549, 2853, 4647, 8559, 13941, 41823, 491033, 1473099, 4419297, 13257891]

約数ペア:

[(1, 13257891), (3, 4419297), (9, 1473099), (27, 491033), (317, 41823), (951, 13941), (1549, 8559), (2853, 4647)]