31638681

素因数分解:

$3^4\times {\mathrm{29}}^1\times {\mathrm{13469}}^1$

素因数の和:13510

約数の個数: 20

約数和(自身を含む): 48896100

約数和(自身を除く): 17257419

約数列:

[1, 3, 9, 27, 29, 81, 87, 261, 783, 2349, 13469, 40407, 121221, 363663, 390601, 1090989, 1171803, 3515409, 10546227, 31638681]

約数ペア:

[(1, 31638681), (3, 10546227), (9, 3515409), (27, 1171803), (29, 1090989), (81, 390601), (87, 363663), (261, 121221), (783, 40407), (2349, 13469)]