87380391

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{1559}}^1$

素因数の和:1743

約数の個数: 32

約数和(自身を含む): 141972480

約数和(自身を除く): 54592089

約数列:

[1, 3, 7, 17, 21, 51, 119, 157, 357, 471, 1099, 1559, 2669, 3297, 4677, 8007, 10913, 18683, 26503, 32739, 56049, 79509, 185521, 244763, 556563, 734289, 1713341, 4160971, 5140023, 12482913, 29126797, 87380391]

約数ペア:

[(1, 87380391), (3, 29126797), (7, 12482913), (17, 5140023), (21, 4160971), (51, 1713341), (119, 734289), (157, 556563), (357, 244763), (471, 185521), (1099, 79509), (1559, 56049), (2669, 32739), (3297, 26503), (4677, 18683), (8007, 10913)]