28913181

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{331}}^1\times {\mathrm{2647}}^1$

素因数の和:2992

約数の個数: 16

約数和(自身を含む): 42198528

約数和(自身を除く): 13285347

約数列:

[1, 3, 11, 33, 331, 993, 2647, 3641, 7941, 10923, 29117, 87351, 876157, 2628471, 9637727, 28913181]

約数ペア:

[(1, 28913181), (3, 9637727), (11, 2628471), (33, 876157), (331, 87351), (993, 29117), (2647, 10923), (3641, 7941)]