81866709

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{149}}^1\times {\mathrm{1489}}^1$

素因数の和:1685

約数の個数: 24

約数和(自身を含む): 122031000

約数和(自身を除く): 40164291

約数列:

[1, 3, 9, 41, 123, 149, 369, 447, 1341, 1489, 4467, 6109, 13401, 18327, 54981, 61049, 183147, 221861, 549441, 665583, 1996749, 9096301, 27288903, 81866709]

約数ペア:

[(1, 81866709), (3, 27288903), (9, 9096301), (41, 1996749), (123, 665583), (149, 549441), (369, 221861), (447, 183147), (1341, 61049), (1489, 54981), (4467, 18327), (6109, 13401)]