81661203

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{77551}}^1$

素因数の和:77576

約数の個数: 20

約数和(自身を含む): 131373088

約数和(自身を除く): 49711885

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 77551, 232653, 697959, 1008163, 2093877, 3024489, 6281631, 9073467, 27220401, 81661203]

約数ペア:

[(1, 81661203), (3, 27220401), (9, 9073467), (13, 6281631), (27, 3024489), (39, 2093877), (81, 1008163), (117, 697959), (351, 232653), (1053, 77551)]