13278111

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{1223}}^1$

素因数の和:1291

約数の個数: 32

約数和(自身を含む): 22560768

約数和(自身を除く): 9282657

約数列:

[1, 3, 7, 11, 21, 33, 47, 77, 141, 231, 329, 517, 987, 1223, 1551, 3619, 3669, 8561, 10857, 13453, 25683, 40359, 57481, 94171, 172443, 282513, 402367, 632291, 1207101, 1896873, 4426037, 13278111]

約数ペア:

[(1, 13278111), (3, 4426037), (7, 1896873), (11, 1207101), (21, 632291), (33, 402367), (47, 282513), (77, 172443), (141, 94171), (231, 57481), (329, 40359), (517, 25683), (987, 13453), (1223, 10857), (1551, 8561), (3619, 3669)]