87105213

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{82721}}^1$

素因数の和:82746

約数の個数: 20

約数和(自身を含む): 140131068

約数和(自身を除く): 53025855

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 82721, 248163, 744489, 1075373, 2233467, 3226119, 6700401, 9678357, 29035071, 87105213]

約数ペア:

[(1, 87105213), (3, 29035071), (9, 9678357), (13, 6700401), (27, 3226119), (39, 2233467), (81, 1075373), (117, 744489), (351, 248163), (1053, 82721)]