211530231

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{8581}}^1$

素因数の和:8684

約数の個数: 32

約数和(自身を含む): 346026240

約数和(自身を除く): 134496009

約数列:

[1, 3, 9, 11, 27, 33, 83, 99, 249, 297, 747, 913, 2241, 2739, 8217, 8581, 24651, 25743, 77229, 94391, 231687, 283173, 712223, 849519, 2136669, 2548557, 6410007, 7834453, 19230021, 23503359, 70510077, 211530231]

約数ペア:

[(1, 211530231), (3, 70510077), (9, 23503359), (11, 19230021), (27, 7834453), (33, 6410007), (83, 2548557), (99, 2136669), (249, 849519), (297, 712223), (747, 283173), (913, 231687), (2241, 94391), (2739, 77229), (8217, 25743), (8581, 24651)]