81719667

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{211}}^1\times {\mathrm{1871}}^1$

素因数の和:2111

約数の個数: 24

約数和(自身を含む): 123821568

約数和(自身を除く): 42101901

約数列:

[1, 3, 9, 23, 69, 207, 211, 633, 1871, 1899, 4853, 5613, 14559, 16839, 43033, 43677, 129099, 387297, 394781, 1184343, 3553029, 9079963, 27239889, 81719667]

約数ペア:

[(1, 81719667), (3, 27239889), (9, 9079963), (23, 3553029), (69, 1184343), (207, 394781), (211, 387297), (633, 129099), (1871, 43677), (1899, 43033), (4853, 16839), (5613, 14559)]