87215919

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{112247}}^1$

素因数の和:112294

約数の個数: 16

約数和(自身を含む): 136493568

約数和(自身を除く): 49277649

約数列:

[1, 3, 7, 21, 37, 111, 259, 777, 112247, 336741, 785729, 2357187, 4153139, 12459417, 29071973, 87215919]

約数ペア:

[(1, 87215919), (3, 29071973), (7, 12459417), (21, 4153139), (37, 2357187), (111, 785729), (259, 336741), (777, 112247)]