27969921

素因数分解:

$3^3\times 7^1\times {\mathrm{83}}^1\times {\mathrm{1783}}^1$

素因数の和:1882

約数の個数: 32

約数和(自身を含む): 47953920

約数和(自身を除く): 19983999

約数列:

[1, 3, 7, 9, 21, 27, 63, 83, 189, 249, 581, 747, 1743, 1783, 2241, 5229, 5349, 12481, 15687, 16047, 37443, 48141, 112329, 147989, 336987, 443967, 1035923, 1331901, 3107769, 3995703, 9323307, 27969921]

約数ペア:

[(1, 27969921), (3, 9323307), (7, 3995703), (9, 3107769), (21, 1331901), (27, 1035923), (63, 443967), (83, 336987), (189, 147989), (249, 112329), (581, 48141), (747, 37443), (1743, 16047), (1783, 15687), (2241, 12481), (5229, 5349)]