28132029

素因数分解:

$3^4\times {\mathrm{53}}^1\times {\mathrm{6553}}^1$

素因数の和:6618

約数の個数: 20

約数和(自身を含む): 42823836

約数和(自身を除く): 14691807

約数列:

[1, 3, 9, 27, 53, 81, 159, 477, 1431, 4293, 6553, 19659, 58977, 176931, 347309, 530793, 1041927, 3125781, 9377343, 28132029]

約数ペア:

[(1, 28132029), (3, 9377343), (9, 3125781), (27, 1041927), (53, 530793), (81, 347309), (159, 176931), (477, 58977), (1431, 19659), (4293, 6553)]