2017787517

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{1311103}}^1$

素因数の和:1311134

約数の個数: 20

約数和(自身を含む): 3172871680

約数和(自身を除く): 1155084163

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 1311103, 3933309, 11799927, 24910957, 35399781, 74732871, 106199343, 224198613, 672595839, 2017787517]

約数ペア:

[(1, 2017787517), (3, 672595839), (9, 224198613), (19, 106199343), (27, 74732871), (57, 35399781), (81, 24910957), (171, 11799927), (513, 3933309), (1539, 1311103)]