15161531

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1223}}^1$

素因数の和:1271

約数の個数: 24

約数和(自身を含む): 20093184

約数和(自身を除く): 4931653

約数列:

[1, 7, 11, 23, 49, 77, 161, 253, 539, 1127, 1223, 1771, 8561, 12397, 13453, 28129, 59927, 94171, 196903, 309419, 659197, 1378321, 2165933, 15161531]

約数ペア:

[(1, 15161531), (7, 2165933), (11, 1378321), (23, 659197), (49, 309419), (77, 196903), (161, 94171), (253, 59927), (539, 28129), (1127, 13453), (1223, 12397), (1771, 8561)]