221777919

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{248909}}^1$

素因数の和:248932

約数の個数: 20

約数和(自身を含む): 361417320

約数和(自身を除く): 139639401

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 297, 891, 248909, 746727, 2240181, 2737999, 6720543, 8213997, 20161629, 24641991, 73925973, 221777919]

約数ペア:

[(1, 221777919), (3, 73925973), (9, 24641991), (11, 20161629), (27, 8213997), (33, 6720543), (81, 2737999), (99, 2240181), (297, 746727), (891, 248909)]