81130491

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{77047}}^1$

素因数の和:77072

約数の個数: 20

約数和(自身を含む): 130519312

約数和(自身を除く): 49388821

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 77047, 231141, 693423, 1001611, 2080269, 3004833, 6240807, 9014499, 27043497, 81130491]

約数ペア:

[(1, 81130491), (3, 27043497), (9, 9014499), (13, 6240807), (27, 3004833), (39, 2080269), (81, 1001611), (117, 693423), (351, 231141), (1053, 77047)]