28238181

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{6709}}^1$

素因数の和:6796

約数の個数: 16

約数和(自身を含む): 39937920

約数和(自身を除く): 11699739

約数列:

[1, 3, 23, 61, 69, 183, 1403, 4209, 6709, 20127, 154307, 409249, 462921, 1227747, 9412727, 28238181]

約数ペア:

[(1, 28238181), (3, 9412727), (23, 1227747), (61, 462921), (69, 409249), (183, 154307), (1403, 20127), (4209, 6709)]