82678401

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{78517}}^1$

素因数の和:78542

約数の個数: 20

約数和(自身を含む): 133009492

約数和(自身を除く): 50331091

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 78517, 235551, 706653, 1020721, 2119959, 3062163, 6359877, 9186489, 27559467, 82678401]

約数ペア:

[(1, 82678401), (3, 27559467), (9, 9186489), (13, 6359877), (27, 3062163), (39, 2119959), (81, 1020721), (117, 706653), (351, 235551), (1053, 78517)]