261036789

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{155657}}^1$

素因数の和:155716

約数の個数: 16

約数和(自身を含む): 383541312

約数和(自身を除く): 122504523

約数列:

[1, 3, 13, 39, 43, 129, 559, 1677, 155657, 466971, 2023541, 6070623, 6693251, 20079753, 87012263, 261036789]

約数ペア:

[(1, 261036789), (3, 87012263), (13, 20079753), (39, 6693251), (43, 6070623), (129, 2023541), (559, 466971), (1677, 155657)]