28232919

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{21937}}^1$

素因数の和:21967

約数の個数: 24

約数和(自身を含む): 47912592

約数和(自身を除く): 19679673

約数列:

[1, 3, 9, 11, 13, 33, 39, 99, 117, 143, 429, 1287, 21937, 65811, 197433, 241307, 285181, 723921, 855543, 2171763, 2566629, 3136991, 9410973, 28232919]

約数ペア:

[(1, 28232919), (3, 9410973), (9, 3136991), (11, 2566629), (13, 2171763), (33, 855543), (39, 723921), (99, 285181), (117, 241307), (143, 197433), (429, 65811), (1287, 21937)]