81028171

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{4337}}^1$

素因数の和:4518

約数の個数: 16

約数和(自身を含む): 98698176

約数和(自身を除く): 17670005

約数列:

[1, 7, 17, 119, 157, 1099, 2669, 4337, 18683, 30359, 73729, 516103, 680909, 4766363, 11575453, 81028171]

約数ペア:

[(1, 81028171), (7, 11575453), (17, 4766363), (119, 680909), (157, 516103), (1099, 73729), (2669, 30359), (4337, 18683)]