201818871

素因数分解:

$3^4\times {\mathrm{1319}}^1\times {\mathrm{1889}}^1$

素因数の和:3220

約数の個数: 20

約数和(自身を含む): 301870800

約数和(自身を除く): 100051929

約数列:

[1, 3, 9, 27, 81, 1319, 1889, 3957, 5667, 11871, 17001, 35613, 51003, 106839, 153009, 2491591, 7474773, 22424319, 67272957, 201818871]

約数ペア:

[(1, 201818871), (3, 67272957), (9, 22424319), (27, 7474773), (81, 2491591), (1319, 153009), (1889, 106839), (3957, 51003), (5667, 35613), (11871, 17001)]