81808542

素因数分解:

$2^1\times 3^4\times {\mathrm{504991}}^1$

素因数の和:505005

約数の個数: 20

約数和(自身を含む): 183312096

約数和(自身を除く): 101503554

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 504991, 1009982, 1514973, 3029946, 4544919, 9089838, 13634757, 27269514, 40904271, 81808542]

約数ペア:

[(1, 81808542), (2, 40904271), (3, 27269514), (6, 13634757), (9, 9089838), (18, 4544919), (27, 3029946), (54, 1514973), (81, 1009982), (162, 504991)]