20080119

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{2767}}^1$

素因数の和:2870

約数の個数: 16

約数和(自身を含む): 27901440

約数和(自身を除く): 7821321

約数列:

[1, 3, 41, 59, 123, 177, 2419, 2767, 7257, 8301, 113447, 163253, 340341, 489759, 6693373, 20080119]

約数ペア:

[(1, 20080119), (3, 6693373), (41, 489759), (59, 340341), (123, 163253), (177, 113447), (2419, 8301), (2767, 7257)]