256088259

素因数分解:

$3^2\times 7^5\times {\mathrm{1693}}^1$

素因数の和:1734

約数の個数: 36

約数和(自身を含む): 431807376

約数和(自身を除く): 175719117

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 343, 441, 1029, 1693, 2401, 3087, 5079, 7203, 11851, 15237, 16807, 21609, 35553, 50421, 82957, 106659, 151263, 248871, 580699, 746613, 1742097, 4064893, 5226291, 12194679, 28454251, 36584037, 85362753, 256088259]

約数ペア:

[(1, 256088259), (3, 85362753), (7, 36584037), (9, 28454251), (21, 12194679), (49, 5226291), (63, 4064893), (147, 1742097), (343, 746613), (441, 580699), (1029, 248871), (1693, 151263), (2401, 106659), (3087, 82957), (5079, 50421), (7203, 35553), (11851, 21609), (15237, 16807)]