81551631

素因数分解:

$3^1\times 7^2\times {\mathrm{233}}^1\times {\mathrm{2381}}^1$

素因数の和:2631

約数の個数: 24

約数和(自身を含む): 127084464

約数和(自身を除く): 45532833

約数列:

[1, 3, 7, 21, 49, 147, 233, 699, 1631, 2381, 4893, 7143, 11417, 16667, 34251, 50001, 116669, 350007, 554773, 1664319, 3883411, 11650233, 27183877, 81551631]

約数ペア:

[(1, 81551631), (3, 27183877), (7, 11650233), (21, 3883411), (49, 1664319), (147, 554773), (233, 350007), (699, 116669), (1631, 50001), (2381, 34251), (4893, 16667), (7143, 11417)]