28126839

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{1913}}^1$

素因数の和:1971

約数の個数: 24

約数和(自身を含む): 42031440

約数和(自身を除く): 13904601

約数列:

[1, 3, 13, 29, 39, 87, 169, 377, 507, 1131, 1913, 4901, 5739, 14703, 24869, 55477, 74607, 166431, 323297, 721201, 969891, 2163603, 9375613, 28126839]

約数ペア:

[(1, 28126839), (3, 9375613), (13, 2163603), (29, 969891), (39, 721201), (87, 323297), (169, 166431), (377, 74607), (507, 55477), (1131, 24869), (1913, 14703), (4901, 5739)]