28497261

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{16993}}^1$

素因数の和:17052

約数の個数: 16

約数和(自身を含む): 41873216

約数和(自身を除く): 13375955

約数列:

[1, 3, 13, 39, 43, 129, 559, 1677, 16993, 50979, 220909, 662727, 730699, 2192097, 9499087, 28497261]

約数ペア:

[(1, 28497261), (3, 9499087), (13, 2192097), (39, 730699), (43, 662727), (129, 220909), (559, 50979), (1677, 16993)]