28758933

素因数分解:

$3^2\times 7^2\times {\mathrm{65213}}^1$

素因数の和:65233

約数の個数: 18

約数和(自身を含む): 48323574

約数和(自身を除く): 19564641

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 65213, 195639, 456491, 586917, 1369473, 3195437, 4108419, 9586311, 28758933]

約数ペア:

[(1, 28758933), (3, 9586311), (7, 4108419), (9, 3195437), (21, 1369473), (49, 586917), (63, 456491), (147, 195639), (441, 65213)]