28448133

素因数分解:

$3^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{20219}}^1$

素因数の和:20296

約数の個数: 16

約数和(自身を含む): 43998720

約数和(自身を除く): 15550587

約数列:

[1, 3, 7, 21, 67, 201, 469, 1407, 20219, 60657, 141533, 424599, 1354673, 4064019, 9482711, 28448133]

約数ペア:

[(1, 28448133), (3, 9482711), (7, 4064019), (21, 1354673), (67, 424599), (201, 141533), (469, 60657), (1407, 20219)]