28176417

素因数分解:

$3^4\times {\mathrm{107}}^1\times {\mathrm{3251}}^1$

素因数の和:3370

約数の個数: 20

約数和(自身を含む): 42497136

約数和(自身を除く): 14320719

約数列:

[1, 3, 9, 27, 81, 107, 321, 963, 2889, 3251, 8667, 9753, 29259, 87777, 263331, 347857, 1043571, 3130713, 9392139, 28176417]

約数ペア:

[(1, 28176417), (3, 9392139), (9, 3130713), (27, 1043571), (81, 347857), (107, 263331), (321, 87777), (963, 29259), (2889, 9753), (3251, 8667)]