80850393

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{76781}}^1$

素因数の和:76806

約数の個数: 20

約数和(自身を含む): 130068708

約数和(自身を除く): 49218315

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 76781, 230343, 691029, 998153, 2073087, 2994459, 6219261, 8983377, 26950131, 80850393]

約数ペア:

[(1, 80850393), (3, 26950131), (9, 8983377), (13, 6219261), (27, 2994459), (39, 2073087), (81, 998153), (117, 691029), (351, 230343), (1053, 76781)]