26720199

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{29989}}^1$

素因数の和:30012

約数の個数: 20

約数和(自身を含む): 43545480

約数和(自身を除く): 16825281

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 297, 891, 29989, 89967, 269901, 329879, 809703, 989637, 2429109, 2968911, 8906733, 26720199]

約数ペア:

[(1, 26720199), (3, 8906733), (9, 2968911), (11, 2429109), (27, 989637), (33, 809703), (81, 329879), (99, 269901), (297, 89967), (891, 29989)]