13125249

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{163}}^1\times {\mathrm{389}}^1$

素因数の和:581

約数の個数: 24

約数和(自身を含む): 19955520

約数和(自身を除く): 6830271

約数列:

[1, 3, 9, 23, 69, 163, 207, 389, 489, 1167, 1467, 3501, 3749, 8947, 11247, 26841, 33741, 63407, 80523, 190221, 570663, 1458361, 4375083, 13125249]

約数ペア:

[(1, 13125249), (3, 4375083), (9, 1458361), (23, 570663), (69, 190221), (163, 80523), (207, 63407), (389, 33741), (489, 26841), (1167, 11247), (1467, 8947), (3501, 3749)]