81119151

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{52709}}^1$

素因数の和:52740

約数の個数: 20

約数和(自身を含む): 127558200

約数和(自身を除く): 46439049

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 52709, 158127, 474381, 1001471, 1423143, 3004413, 4269429, 9013239, 27039717, 81119151]

約数ペア:

[(1, 81119151), (3, 27039717), (9, 9013239), (19, 4269429), (27, 3004413), (57, 1423143), (81, 1001471), (171, 474381), (513, 158127), (1539, 52709)]