25979499

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31721}}^1$

素因数の和:31747

約数の個数: 24

約数和(自身を含む): 46187232

約数和(自身を除く): 20207733

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 819, 31721, 95163, 222047, 285489, 412373, 666141, 1237119, 1998423, 2886611, 3711357, 8659833, 25979499]

約数ペア:

[(1, 25979499), (3, 8659833), (7, 3711357), (9, 2886611), (13, 1998423), (21, 1237119), (39, 666141), (63, 412373), (91, 285489), (117, 222047), (273, 95163), (819, 31721)]