87997189

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{3049}}^1$

素因数の和:3113

約数の個数: 24

約数和(自身を含む): 111264000

約数和(自身を除く): 23266811

約数列:

[1, 7, 19, 31, 49, 133, 217, 589, 931, 1519, 3049, 4123, 21343, 28861, 57931, 94519, 149401, 405517, 661633, 1795861, 2838619, 4631431, 12571027, 87997189]

約数ペア:

[(1, 87997189), (7, 12571027), (19, 4631431), (31, 2838619), (49, 1795861), (133, 661633), (217, 405517), (589, 149401), (931, 94519), (1519, 57931), (3049, 28861), (4123, 21343)]