28866861

素因数分解:

$3^4\times {\mathrm{29}}^1\times {\mathrm{12289}}^1$

素因数の和:12330

約数の個数: 20

約数和(自身を含む): 44612700

約数和(自身を除く): 15745839

約数列:

[1, 3, 9, 27, 29, 81, 87, 261, 783, 2349, 12289, 36867, 110601, 331803, 356381, 995409, 1069143, 3207429, 9622287, 28866861]

約数ペア:

[(1, 28866861), (3, 9622287), (9, 3207429), (27, 1069143), (29, 995409), (81, 356381), (87, 331803), (261, 110601), (783, 36867), (2349, 12289)]