51980121

素因数分解:

$3^2\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{1847}}^1$

素因数の和:1965

約数の個数: 24

約数和(自身を含む): 77837760

約数和(自身を除く): 25857639

約数列:

[1, 3, 9, 53, 59, 159, 177, 477, 531, 1847, 3127, 5541, 9381, 16623, 28143, 97891, 108973, 293673, 326919, 881019, 980757, 5775569, 17326707, 51980121]

約数ペア:

[(1, 51980121), (3, 17326707), (9, 5775569), (53, 980757), (59, 881019), (159, 326919), (177, 293673), (477, 108973), (531, 97891), (1847, 28143), (3127, 16623), (5541, 9381)]