2017321281

素因数分解:

$3^4\times {\mathrm{149}}^1\times {\mathrm{167149}}^1$

素因数の和:167310

約数の個数: 20

約数和(自身を含む): 3033772500

約数和(自身を除く): 1016451219

約数列:

[1, 3, 9, 27, 81, 149, 447, 1341, 4023, 12069, 167149, 501447, 1504341, 4513023, 13539069, 24905201, 74715603, 224146809, 672440427, 2017321281]

約数ペア:

[(1, 2017321281), (3, 672440427), (9, 224146809), (27, 74715603), (81, 24905201), (149, 13539069), (447, 4513023), (1341, 1504341), (4023, 501447), (12069, 167149)]