201021417

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{431}}^1\times {\mathrm{1787}}^1$

素因数の和:2253

約数の個数: 24

約数和(自身を含む): 301242240

約数和(自身を除く): 100220823

約数列:

[1, 3, 9, 29, 87, 261, 431, 1293, 1787, 3879, 5361, 12499, 16083, 37497, 51823, 112491, 155469, 466407, 770197, 2310591, 6931773, 22335713, 67007139, 201021417]

約数ペア:

[(1, 201021417), (3, 67007139), (9, 22335713), (29, 6931773), (87, 2310591), (261, 770197), (431, 466407), (1293, 155469), (1787, 112491), (3879, 51823), (5361, 37497), (12499, 16083)]