75403209

素因数分解:

$3^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{151}}^1$

素因数の和:290

約数の個数: 48

約数和(自身を含む): 121989120

約数和(自身を除く): 46585911

約数列:

[1, 3, 7, 21, 43, 49, 79, 129, 147, 151, 237, 301, 453, 553, 903, 1057, 1659, 2107, 3171, 3397, 3871, 6321, 6493, 7399, 10191, 11613, 11929, 19479, 22197, 23779, 35787, 45451, 71337, 83503, 136353, 166453, 250509, 318157, 499359, 512947, 584521, 954471, 1538841, 1753563, 3590629, 10771887, 25134403, 75403209]

約数ペア:

[(1, 75403209), (3, 25134403), (7, 10771887), (21, 3590629), (43, 1753563), (49, 1538841), (79, 954471), (129, 584521), (147, 512947), (151, 499359), (237, 318157), (301, 250509), (453, 166453), (553, 136353), (903, 83503), (1057, 71337), (1659, 45451), (2107, 35787), (3171, 23779), (3397, 22197), (3871, 19479), (6321, 11929), (6493, 11613), (7399, 10191)]