12691371

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{54941}}^1$

素因数の和:54962

約数の個数: 16

約数和(自身を含む): 21097728

約数和(自身を除く): 8406357

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 54941, 164823, 384587, 604351, 1153761, 1813053, 4230457, 12691371]

約数ペア:

[(1, 12691371), (3, 4230457), (7, 1813053), (11, 1153761), (21, 604351), (33, 384587), (77, 164823), (231, 54941)]