25416729

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{1993}}^1$

素因数の和:2121

約数の個数: 24

約数和(自身を含む): 39919880

約数和(自身を除く): 14503151

約数列:

[1, 3, 9, 13, 39, 109, 117, 327, 981, 1417, 1993, 4251, 5979, 12753, 17937, 25909, 77727, 217237, 233181, 651711, 1955133, 2824081, 8472243, 25416729]

約数ペア:

[(1, 25416729), (3, 8472243), (9, 2824081), (13, 1955133), (39, 651711), (109, 233181), (117, 217237), (327, 77727), (981, 25909), (1417, 17937), (1993, 12753), (4251, 5979)]