26391729

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{277}}^1\times {\mathrm{349}}^1$

素因数の和:649

約数の個数: 32

約数和(自身を含む): 43590400

約数和(自身を除く): 17198671

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 277, 349, 831, 1047, 1939, 2443, 3601, 4537, 5817, 7329, 10803, 13611, 25207, 31759, 75621, 95277, 96673, 290019, 676711, 1256749, 2030133, 3770247, 8797243, 26391729]

約数ペア:

[(1, 26391729), (3, 8797243), (7, 3770247), (13, 2030133), (21, 1256749), (39, 676711), (91, 290019), (273, 96673), (277, 95277), (349, 75621), (831, 31759), (1047, 25207), (1939, 13611), (2443, 10803), (3601, 7329), (4537, 5817)]