77721687

素因数分解:

$3^4\times {\mathrm{109}}^1\times {\mathrm{8803}}^1$

素因数の和:8924

約数の個数: 20

約数和(自身を含む): 117181240

約数和(自身を除く): 39459553

約数列:

[1, 3, 9, 27, 81, 109, 327, 981, 2943, 8803, 8829, 26409, 79227, 237681, 713043, 959527, 2878581, 8635743, 25907229, 77721687]

約数ペア:

[(1, 77721687), (3, 25907229), (9, 8635743), (27, 2878581), (81, 959527), (109, 713043), (327, 237681), (981, 79227), (2943, 26409), (8803, 8829)]