2605161

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{997}}^1$

素因数の和:1080

約数の個数: 16

約数和(自身を含む): 3800384

約数和(自身を除く): 1195223

約数列:

[1, 3, 13, 39, 67, 201, 871, 997, 2613, 2991, 12961, 38883, 66799, 200397, 868387, 2605161]

約数ペア:

[(1, 2605161), (3, 868387), (13, 200397), (39, 66799), (67, 38883), (201, 12961), (871, 2991), (997, 2613)]