78771795

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{2887}}^1$

素因数の和:3019

約数の個数: 32

約数和(自身を含む): 134742528

約数和(自身を除く): 55970733

約数列:

[1, 3, 5, 15, 17, 51, 85, 107, 255, 321, 535, 1605, 1819, 2887, 5457, 8661, 9095, 14435, 27285, 43305, 49079, 147237, 245395, 308909, 736185, 926727, 1544545, 4633635, 5251453, 15754359, 26257265, 78771795]

約数ペア:

[(1, 78771795), (3, 26257265), (5, 15754359), (15, 5251453), (17, 4633635), (51, 1544545), (85, 926727), (107, 736185), (255, 308909), (321, 245395), (535, 147237), (1605, 49079), (1819, 43305), (2887, 27285), (5457, 14435), (8661, 9095)]