25866657

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{331}}^1\times {\mathrm{457}}^1$

素因数の和:813

約数の個数: 24

約数和(自身を含む): 39534560

約数和(自身を除く): 13667903

約数列:

[1, 3, 9, 19, 57, 171, 331, 457, 993, 1371, 2979, 4113, 6289, 8683, 18867, 26049, 56601, 78147, 151267, 453801, 1361403, 2874073, 8622219, 25866657]

約数ペア:

[(1, 25866657), (3, 8622219), (9, 2874073), (19, 1361403), (57, 453801), (171, 151267), (331, 78147), (457, 56601), (993, 26049), (1371, 18867), (2979, 8683), (4113, 6289)]