131111211

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{81083}}^1$

素因数の和:81111

約数の個数: 24

約数和(自身を含む): 221845824

約数和(自身を除く): 90734613

約数列:

[1, 3, 7, 11, 21, 33, 49, 77, 147, 231, 539, 1617, 81083, 243249, 567581, 891913, 1702743, 2675739, 3973067, 6243391, 11919201, 18730173, 43703737, 131111211]

約数ペア:

[(1, 131111211), (3, 43703737), (7, 18730173), (11, 11919201), (21, 6243391), (33, 3973067), (49, 2675739), (77, 1702743), (147, 891913), (231, 567581), (539, 243249), (1617, 81083)]