386157261

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{491}}^1\times {\mathrm{2203}}^1$

素因数の和:2721

約数の個数: 32

約数和(自身を含む): 624595968

約数和(自身を除く): 238438707

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 491, 1473, 2203, 3437, 6609, 8347, 10311, 15421, 25041, 37451, 46263, 58429, 112353, 175287, 262157, 786471, 1081673, 3245019, 7571711, 18388441, 22715133, 55165323, 128719087, 386157261]

約数ペア:

[(1, 386157261), (3, 128719087), (7, 55165323), (17, 22715133), (21, 18388441), (51, 7571711), (119, 3245019), (357, 1081673), (491, 786471), (1473, 262157), (2203, 175287), (3437, 112353), (6609, 58429), (8347, 46263), (10311, 37451), (15421, 25041)]