25731999

素因数分解:

$3^5\times {\mathrm{17}}^1\times {\mathrm{6229}}^1$

素因数の和:6261

約数の個数: 24

約数和(自身を含む): 40818960

約数和(自身を除く): 15086961

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 243, 459, 1377, 4131, 6229, 18687, 56061, 105893, 168183, 317679, 504549, 953037, 1513647, 2859111, 8577333, 25731999]

約数ペア:

[(1, 25731999), (3, 8577333), (9, 2859111), (17, 1513647), (27, 953037), (51, 504549), (81, 317679), (153, 168183), (243, 105893), (459, 56061), (1377, 18687), (4131, 6229)]