207802017

素因数分解:

$3^4\times {\mathrm{163}}^1\times {\mathrm{15739}}^1$

素因数の和:15914

約数の個数: 20

約数和(自身を含む): 312344560

約数和(自身を除く): 104542543

約数列:

[1, 3, 9, 27, 81, 163, 489, 1467, 4401, 13203, 15739, 47217, 141651, 424953, 1274859, 2565457, 7696371, 23089113, 69267339, 207802017]

約数ペア:

[(1, 207802017), (3, 69267339), (9, 23089113), (27, 7696371), (81, 2565457), (163, 1274859), (489, 424953), (1467, 141651), (4401, 47217), (13203, 15739)]