28168917

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{25309}}^1$

素因数の和:25372

約数の個数: 16

約数和(自身を含む): 43735680

約数和(自身を除く): 15566763

約数列:

[1, 3, 7, 21, 53, 159, 371, 1113, 25309, 75927, 177163, 531489, 1341377, 4024131, 9389639, 28168917]

約数ペア:

[(1, 28168917), (3, 9389639), (7, 4024131), (21, 1341377), (53, 531489), (159, 177163), (371, 75927), (1113, 25309)]