68490165

素因数分解:

$3^1\times 5^1\times {\mathrm{107}}^1\times {\mathrm{139}}^1\times {\mathrm{307}}^1$

素因数の和:561

約数の個数: 32

約数和(自身を含む): 111767040

約数和(自身を除く): 43276875

約数列:

[1, 3, 5, 15, 107, 139, 307, 321, 417, 535, 695, 921, 1535, 1605, 2085, 4605, 14873, 32849, 42673, 44619, 74365, 98547, 128019, 164245, 213365, 223095, 492735, 640095, 4566011, 13698033, 22830055, 68490165]

約数ペア:

[(1, 68490165), (3, 22830055), (5, 13698033), (15, 4566011), (107, 640095), (139, 492735), (307, 223095), (321, 213365), (417, 164245), (535, 128019), (695, 98547), (921, 74365), (1535, 44619), (1605, 42673), (2085, 32849), (4605, 14873)]