20161205307

素因数分解:

$3^2\times {\mathrm{173}}^1\times {\mathrm{631}}^1\times {\mathrm{20521}}^1$

素因数の和:21331

約数の個数: 24

約数和(自身を含む): 29337922848

約数和(自身を除く): 9176717541

約数列:

[1, 3, 9, 173, 519, 631, 1557, 1893, 5679, 20521, 61563, 109163, 184689, 327489, 982467, 3550133, 10650399, 12948751, 31951197, 38846253, 116538759, 2240133923, 6720401769, 20161205307]

約数ペア:

[(1, 20161205307), (3, 6720401769), (9, 2240133923), (173, 116538759), (519, 38846253), (631, 31951197), (1557, 12948751), (1893, 10650399), (5679, 3550133), (20521, 982467), (61563, 327489), (109163, 184689)]