204048639

素因数分解:

$3^4\times {\mathrm{1091}}^1\times {\mathrm{2309}}^1$

素因数の和:3412

約数の個数: 20

約数和(自身を含む): 305224920

約数和(自身を除く): 101176281

約数列:

[1, 3, 9, 27, 81, 1091, 2309, 3273, 6927, 9819, 20781, 29457, 62343, 88371, 187029, 2519119, 7557357, 22672071, 68016213, 204048639]

約数ペア:

[(1, 204048639), (3, 68016213), (9, 22672071), (27, 7557357), (81, 2519119), (1091, 187029), (2309, 88371), (3273, 62343), (6927, 29457), (9819, 20781)]